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Our experts

The Carbon Trust has approximately 180 staff with over 30 nationalities, based in the UK, Brazil, China, Mexico, South Africa and the US. Our experts come from a diverse range of professional backgrounds, including engineering, policy, academia, and business management. A selection of our experts are below.

Aleyn Smith-Gillespie


Aleyn has over 15 years’ international experience working in business management and strategy. At the Carbon Trust, Aleyn focuses on helping clients develop low-carbon, environmentally sustainable business models and strategies to drive operational efficiency, innovation, growth, and impact. His sector experience spans FMCG, ICT, telco, financial services, retail, energy, and public sector. Prior to Carbon Trust, Aleyn worked for strategy consultants Booz Allen Hamilton, as well as at other consulting practices based in China and the UK. He holds a BA from Cambridge University, and a double Master’s degree from the Massachusetts Institute of Technology. Aleyn speaks fluent Spanish, French, and Mandarin.

Ainslie Macleod


Ainslie has fifteen years’ experience in strategic communications. Joining the Carbon Trust marketing team in 2006, she initially worked on a range of campaigns including a national energy efficiency financing scheme for small businesses and profile raising campaigns for pioneering clean tech start-ups. She now leads on media strategy for the Carbon Trust Group and works across the business specialising on low carbon technology innovation and sustainable energy policy. Prior to joining the Carbon Trust she worked as a public relations consultant predominantly on communications for technology brands such as Cisco, Acer, HTC Europe and Shazam. Ainslie has a BSc Hons in Environmental Biology.

Alexander Farsan


Alex helps businesses shape sustainability strategies that address their impact on the environment while providing a platform for commercial success. In over 5 years at the Carbon Trust he has worked with businesses from SMEs to global industry leaders and across a broad range of sectors. Alex’s recent projects include leading the development of the Carbon Trust’s approach to supporting businesses in setting science-based carbon reduction targets, and managing the UK’s contribution to an EU wide energy efficiency research project. Prior to joining the Carbon Trust, Alex worked as a policy researcher at the Potsdam Institute of Climate Impact Research, with a focus on emerging markets.

Al-Karim Govindji


Al-Karim Govindji focuses on international projects on Industrial Energy Efficiency. He oversaw our £15m Industrial Energy Efficiency programme working with 14 sectors to identify and deploy innovative process related energy saving solutions. He also ran international offshore wind projects in Europe, China and Japan, assesses opportunities on Aviation Biofuels and works on EU H2020 projects. He holds a degree in Chemical Engineering from Birmingham University and MBA from Oxford University.

Andie Stephens


Andie leads our work with ICT companies advising on carbon measurement and reduction programs. He has worked with CWW, EE, O2, Samsung, Vodafone, and helped develop the methodology for BT’s innovative Net Good programme. He initiated the development of the ICT Sector Guidance for the GHG Protocol Product Standard. He is an expert in carbon measurement, having contributed to various international standards and European Commission ICT initiatives. He previously spent 20 years as an international consultant in software and manufacturing. He has an MA in Engineering from Cambridge University.

Andrew Johnson


Andrew is an economist and public policy professional with ten years’ experience in economic analysis, stakeholder management, and policy development and has been certified as an expert in climate and renewable energy finance by the Frankfurt School of Finance and Management. Andrew has coordinated the refresh of several of Technology Innovation Needs Assessments, prioritising public support for technologies like offshore wind, nuclear fission, carbon capture and storage, and electricity networks and storage. He has also led the design of energy efficiency finance and advice schemes in India and Colombia. Prior to joining the Carbon Trust, Andrew worked as a Senior Economist at EEF – the manufacturers’ organisation. He has also worked at both the UK and New Zealand treasuries and in New Zealand’s Climate Change Office.

Benjamin Curnier


Benjamin heads up the Carbon Trust’s Southern African office in Pretoria, South Africa. He is responsible for establishing, and growing the Carbon Trust’s operations in Southern Africa, in charge of business development, and delivery.

Prior to this, Benjamin was providing technical and strategic assistance to the NBI (National Business Initiative) as it implemented the Private Sector Energy Efficiency (PSEE) Programme in South Africa. This programme aimed to improve energy efficiency in commercial and industrial companies in South Africa through the provision of services to assist companies in identifying and implementing energy saving measures.

Benjamin joined the Carbon Trust from PricewaterhouseCoopers, where he worked as a consultant within their strategy group.  He holds a Masters in Aerospace Engineering with French from Bath University.

Bruno Gardner


Bruno heads up the Carbon Trust’s team of policy and innovation experts. In his previous role as Director of Energy Efficiency Ventures, Bruno oversaw the Carbon Trust’s commercial energy efficiency and implementation activities, including the Energy Efficiency Financing partnership with Siemens Financial Services and the Carbon Trust Green Business Directory for accredited equipment suppliers.

Before joining the Carbon Trust, Bruno worked as a strategy consultant for McKinsey and held various commercial, strategic and operational roles with Barclays and ExxonMobil. He holds a Master’s degree in Mechanical Engineering and an MBA.

Daniel Perdomo-Rodriguez


Daniel is Senior Manager, Strategy & Business Development for Latin America. Daniel has over 10 years of international experience working with public and private institutions such as the Inter-American Development Bank, United Nations, and the Insurance Deposit of Colombia. In the private sector Daniel worked at KPMG, a multinational consulting firm. Joining the Carbon Trust, he has worked on projects in Colombia, Chile, Panamá and Cuba. Daniel’s areas of expertise are energy finance and energy policy. He received a BSc in Industrial Engineering in Bogotá, a Master’s degree in Public Administration in New York, and an Executive MBA in London.

Darran Messem


Darran leads the Carbon Trust's pioneering certification team, and the Carbon Trust's international development. Darran’s international experience includes being a Director of companies in Canada, the US, China and South Africa, and the UK. Before joining the Carbon Trust Darran was Vice President Fuel Development for Shell, and General Manager Market Development for British Airways. Darran graduated with a First in Geography from Cambridge University and holds a post-graduate diploma in Marketing. Beyond the Carbon Trust, Darran is Chairman of the Low Carbon Vehicle Partnership, and a Fellow of both the Chartered Institute of Marketing and the Royal Geographical Society.

David Aitken


David leads the Carbon Trust’s incubation support to clean tech ventures. He has advised more than 50 clean tech ventures on how to grow. He also provides strategic advice to climate innovation centres internationally. David has over a decade of technology commercialisation and infrastructure project experience for clients including the UK Government, GE, and World Bank. Before joining the Carbon Trust, David worked in a start-up venture developing clean tech projects in developing countries. He has Law and Arts degrees from Canterbury University and an MSc in Environmental Change and Management from Oxford University.

David Reilly


David is a Chartered engineer with 12 years’ experience in delivering projects in the areas of energy efficiency and carbon management, climate change, sustainable building design, sustainable planning / master-planning and renewable energy. As Head of Carbon Trust Wales, David leads all of our energy efficiency and carbon reduction improvement services in Wales, including the Carbon Trust’s support to the Welsh Government’s Resource Efficient Wales service.

David Powlesland


David is based in Cardiff, and currently works on the Welsh Governments Resource Efficient Wales and Re:fit Cymru support programmes for the public sector. David also works businesses both as an ESOS Lead Assessor and as a consultant Energy Manager. David has a Masters Degree in Sustainable Energy, is a Certified Energy Manager (CEM) and is a Certified Measurement and Verification Professional (CMVP). His experience provides a breadth of skills and knowledge across the fields of strategic energy management, performance benchmarking, feasibility studies, project management and post project monitoring. David has specialist knowledge in the implementation of metering & monitoring systems to deliver data driven energy management and behaviour change.

Dominic Burbridge


Dominic has over 15 years’ experience working in business management and strategy, low carbon, resource efficiency and renewable energy consulting. He is on the Management Team of the Carbon Trust’s Business Services practice with responsibility for project leadership, business development and client management. His sector experience spans construction, building materials, hospitality & leisure, catering equipment and retail. He holds a BEng Hons in Electrical Engineering from the Royal Naval Engineering College, Manadon. 

Emilie Reeve


Emilie leads the Carbon Trust’s work on Offshore Renewable consenting. She is responsible for the delivery of the Offshore Wind, Offshore Renewable Joint Industry Programme (ORJIP), involving 16 developers and 3 public bodies, focussing on reducing the risk of offshore consenting through strategic research. Prior to this Emilie led the Carbon Trust’s Offshore Wind Accelerator, Cable Installation work stream, collaborating with the 9 Offshore Wind developers to reduce the risk and cost of cable installation. Emilie has also previously helped set up the Marine Renewables Commercialisation Fund aimed at accelerating the deployment of commercial-scale wave and tidal stream energy arrays.

Emma Ashcroft


Emma is an experienced energy and low-carbon professional with over 6 years’ experience delivering projects in the fields of Energy and Carbon Management, Decentralised Energy, Energy Efficiency and Affordable Warmth. She leads on a portfolio of our Decentralised Energy projects, largely focussed on supporting the public sector to develop heat networks. Emma is an expert in stakeholder management and public consultation, and a lead auditor for the ISO 50001 Energy Management Standard. Prior to joining the Carbon Trust, Emma worked as Public Sector Manager for the Energy Efficiency and Conservation Authority of New Zealand and as Project Manager for Merseyside-based energy efficiency charity, Energy Projects Plus. She holds a first class Master’s degree in Biological Sciences from the University of Liverpool, specialising in climate change impacts modelling. 

Geoff Smyth


Geoff has over 30 years engineering experience with over 23 years’ experience in delivering successful energy and carbon management programmes across both public and private sectors in the UK and overseas. He is a qualified ESOS Lead Assessor and a Chartered Engineer, with a first class honours degree in engineering from the University of Ulster.  Geoff leads a team of Chartered Engineers providing a wide range of technical services to Carbon Trust clients across the globe including the provision of: energy audits, technical due diligence of energy efficiency and renewable energy projects and best value procurement of energy saving solutions.

Gina V Hall


Gina V Hall manages the Carbon Trust’s wide-ranging portfolio of investments, from joint ventures such as Partnerships for Renewables and the Low Carbon Workplace to minority stakes in early stage cleantech companies. Based in Washington DC, she is also responsible for developing the Carbon Trust’s activities with multilateral organisations and US-based philanthropics. Gina has entrepreneurial experience, having founded and floated her own business on AIM, as well as a background in banking and finance. Gina has an MBA from the Harvard Business School.

Guy Rickard


Guy leads our work in corporate footprinting and target setting. He has delivered projects for a range of companies, including AXA Group and Stagecoach, to set targets for carbon, water and waste and define the business case for reductions. He sits on the Technical Advisory Group for the Science-Based Target Setting initiative led by CDP, WRI, and WWF. He holds an MEng in Engineering from the University of Durham and has completed an MSc in Climate change and Sustainable development. He has over eight years’ of business experience prior to joining the Carbon Trust, the majority of which was spent working for the food manufacturer Mars.

Helen Andrews Tipper


An expert in strategic communications and stakeholder management with ten years’ experience advising the public sector on low carbon energy and environmental policy and projects, Helen currently develops and manages delivery of the Carbon Trust’s Decentralised Energy Service. She also advises on the content and implementation of planning policy to support decentralised energy development, drawing on her experience as an adviser to a regional planning authority. Previously based in Brussels, Helen is an advisor to the Carbon Trust on European policy and funding.

Hugh Jones


Hugh is an experienced commercial director whose team helps business solve problems around sustainability, resource efficiency, supply chain risk and technology implementation. He has led projects in UK and internationally, and has overseen the development of propositions in numerous sectors and disciplines, including (most recently) supply chain sustainability and science-based targets for businesses. Previously as Director of Solutions his department enabled private and public sector customers to save 15 million tCO2 and £1.5bn over three years. He has an MA from Cambridge University and an environmental MSc from Imperial College, and has over 15 years of business experience prior to joining the Carbon Trust.

James Wilde


James Wilde leads the Carbon Trust’s global policy and innovation work, supporting governments, development banks and international organisations with technical expertise and programme management skills in order to accelerate the move to a sustainable, low carbon economy. With over a decade of experience in climate change issues, from renewable energy to energy efficiency, James has authored over 20 publications that have led to fundamental changes in the policy and market landscape. These publications have included a strategic review of the UK business sector’s energy efficiency and developing the first standard for measuring the carbon footprint of products. Prior to joining the Carbon Trust, James worked for management consultants McKinsey & Company. James has a PhD in Nanotechnology from the University of Cambridge and a first class degree in Materials Science from the University of Oxford.

Jamie Plotnek


Jamie is responsible for communicating the Carbon Trust’s international work and research across traditional and digital media, as well as providing practical and strategic sustainability communications advice to large businesses and the public sector. Jamie was previously Campaign Manager for Climate Week, a national campaign which resulted in half a million people attending over 3,000 events across the UK, with support from the Prime Minister. He has produced international conferences in the Middle East in the infrastructure and defence sectors, and worked for a UK top 30 law firm. Qualified as a Barrister, Jamie was Called to the Bar at Gray’s Inn in 2007. He is a Fellow of the Royal Society of Arts and is undertaking a Master’s Degree in Sustainability Leadership at the University of Cambridge.

Jan Van der Ven


Jan is responsible for the development of the Carbon Trust’s activities in Asia. Prior to joining the Carbon Trust, he developed, the world’s first app to measure, compare and validate ecological footprints among friends. Prior to this, Jan was Deputy General Manager at Maersk Logistics South China, Head of Strategic Planning at Maersk China, and Director of Production at the Alibaba Group during its start-up days in 2000. Jan holds an MBA from London Business School, has lived and worked in China for 15 years, and is fluent in Mandarin Chinese, French, German, Dutch and English.

Dr Jo Atkinson


Jo leads the Carbon Trust’s housing work and is a building fabric expert. She is an Architectural Technologist and has a PhD through research, which centered on the evaluation of retrofitted external wall insulation to traditional buildings. Jo delivers technical advice and support to stakeholders involved in area based housing retrofit schemes where there are high levels of fuel poverty and vulnerable communities across Wales. Jo also supports the delivery of the Welsh Government’s Resource Efficient Wales Client Manager services for both the Public and Private sectors in Wales. She continues to publish findings from her research and is always looking to develop new opportunities for community scale energy projects.

João Lampreia


João is a Manager at the Carbon Trust in Brazil, drawing from 10 years of experience to advise government agencies and the private sector on low carbon programmes and policy strategies across multiple domains. Recent activities include: Designing a resource efficiency programme for Brazil´s beef supply chain;  a global assessment of energy efficiency obligation schemes; advise on energy efficiency finance mechanisms; designing and setting-up Brazil’s first product carbon footprinting scheme; and a detailed assessment of grid resilience strategies for Rio’s Olympic Games. Prior to joining the Carbon Trust João was an analyst at the International Energy Agency, and a project manager at Petrobras. João holds a Master’s Degree in Environmental Sciences and Energy Planning from the Autonomous University of Barcelona and University of Aalborg. 

John Hsu


John is an expert in sustainability data analytics, reporting and software solutions. He helps companies achieve their sustainability needs and objectives through the power of data and insightful analysis. His specialities are organisational and product footprinting (carbon, water and waste), cost v carbon optimisation, sustainable supply chain modelling, sustainability reporting frameworks and strategy (CDP, GRI, Mandatory Carbon Reporting) and sustainability software solutions. John has advised and built data models for companies and public bodies such as GSK, Samsung, British Sugar, Taylor Wimpey and SERMANAT. John is also an accredited assessor of the Carbon Trust Carbon, Water and Waste Standards.

Dr John Kazer


John is responsible for managing certification projects and has audited product carbon footprints of over 200 individual products. His main areas of expertise in product carbon footprinting and sustainability are agriculture and food processing. He has additional experience of analysing water, land, trade, distribution, packaging and economic aspects of footprinting. He is the technical author of the carbon footprint assessment methodology for the UK dairy industry

Joseph Thornton


Joseph works in the Carbon Trust’s Advisory team managing strategic projects for large multinationals and international governments. His current work includes developing a water impact strategy for a large, international pharmaceutical company; supply chain engagement strategies for a number of large corporates; and developing product labelling schemes in Mexico and Hong Kong. Joseph has also worked for the Carbon Trust's Innovation team on fuel cells and biofuels. He holds an MEng in Engineering Science from the University of Oxford.

Laura Glover


Laura works within our Public Sector team, providing advice and support for the delivery of decentralised energy and carbon management projects. She is an expert in sustainability data analytics, leading in the development of carbon emissions footprints, renewable energy feasibility studies and project financial analysis. Additionally, she has a strong background in facilitation and stakeholder management. Recent project experience includes developing city-wide Carbon Management Plans for Petaling Jaya and Ampang Jaya in Malaysia, financial analysis for district heating projects in Bristol, Birmingham and Leeds and delivery of training workshops for SMEs. Laura is a certified Heat Network Practitioner and has a first class MSci in Natural Sciences from Durham University.

Laura Timlin


Laura works within the Business Advice team delivering consultancy services across a broad range of topics. She has worked extensively with UK Trade & Investment trade teams both in the UK and internationally as a business specialist advising on Low Carbon opportunities for the global High Value Opportunities programme. Most recently Laura has been supporting the National Business Initiative with the delivery of their Private Sector Energy Efficiency programme, an £8.6m UK funded initiative in South Africa. Laura also sits on the BBC’s Sustainability Advisory Group, providing external input into the sustainability strategy for the corporation and leads the Carbon Trust’s software partnership with sustainability software provider Credit 360.

Martin Barrow


Martin is one of the world’s leading authorities on product and service carbon footprinting, and was instrumental in the development of the PAS 2050 footprinting standard. He has overseen a wide range of projects to help companies derive business benefit from understanding and optimising their value-chains. He spent 20 years in the automotive sector, managing $100m+ projects in manufacturing, design, commercial, IT and business re-engineering.

Martin Hockaday


Martin is responsible for leading the certification work against ISO 50001, including launching the service to market, managing auditor resources and overseeing project delivery. He has over nine years’ experience in energy and environmental management systems, holds a degree in Environmental Management and is a qualified ISO 50001 Lead Auditor. He has audit experience in a wide range of sectors, taking him from railway depots to a royal palace, but has particular expertise in auditing the higher education sector, having worked with over ten per cent of all UK universities.

Megan Smith


Megan leads on international Offshore Wind delivery, focusing on the US and Asian markets. She is also responsible for overseeing the Foundations and Wakes & Wind Resource research areas as part of the Offshore Wind Accelerator, a collaborative RD&D project between Carbon Trust and nine leading offshore wind developers. She has experience in a range of technology areas, and has delivered a number of research projects including LIDAR and scanning LIDAR validation, optimisation of electrical systems and O&M strategy. Megan holds degrees from Imperial College London and Bristol University and spent several years as a Senior Policy Analyst developing the UK’s Offshore Transmission regime before joining the Carbon Trust in 2013.

Morgan Jones


Morgan has 11 years work experience in carbon and environmental issues. He has extensive knowledge of carbon footprinting, carbon markets, corporate social responsibility and socially responsible investment. He is currently responsible for certification and verification of the Carbon Trust Standard. Prior to joining the Carbon Trust in 2009, Morgan worked as senior research analyst at Trucost PLC, a leading environmental research organisation, as well as The Ethical Investment Research Service (EIRIS) where he advised clients on socially responsible investment strategy.

Myles McCarthy


Myles McCarthy is Director of Implementation at Carbon Trust, leading our energy efficiency services in the UK and internationally, enabling the implementation of cost effective energy saving initiatives across industrial and commercial sectors. These services include energy efficiency financing (including a £550M fund delivered with Siemens Financial Services), implementation advice and equipment supplier accreditation. A Chartered Accountant, Myles’ early career was spent at KPMG in London where he worked with early stage technology businesses on their establishment, development, fund raising and growth. Myles studied for his first degree in Applied Physics at the University of Durham.

Paul Huggins


Paul heads up Carbon Trust's services that deliver market transformation in built environment and process industry technologies.  Paul advises DECC, HMRC and HMT on technology markets and delivers the Energy Technology List on their behalf.  He also advises Chinese Provincial governments and private clients on developing sustainable product markets.  Paul’s expertise includes technology strategy, energy efficiency, and market transformation through directed technology innovation.  Prior to the Carbon Trust Paul was on the leadership team of BHP Billiton Petroleum, and championed process optimization at BP and Shell.  Paul holds a Master's degree in Artificial Intelligence and an MBA (Cranfield).

Paul McKinney


Paul is an experienced programme and project manager, with 17 years’ experience in the low carbon arena. He has managed programmes within the Carbon Trust for over ten years. Currently Paul leads the Research Programme for DECC’s Energy Technology List, managing the delivery of around 30 research projects focussed on energy using equipment and products, with a project team of over 20 experts.

Paul Wedgwood


In Scotland Paul has led the development and delivery of multi-faceted programmes, providing independent, impartial advice on carbon management, energy and resource efficiency, and renewable energy, supporting hundreds of organisations in the business, public and third sectors to saves costs and carbon emissions. Paul is also programme manager for energy efficiency and carbon management work with State and Municipal governments in Mexico.

Philippe Pernstich


Philippe specialises in bespoke solutions for clients’ product and value chain footprinting requirements. He has worked with clients from a wide range of sectors, but has a particular focus on manufacturing, construction, events and catering. He holds an MSc in Environmental Sciences from the University of East Anglia.

Poppy Potter


As an Energy Consultant, Poppy’s main role is to advise on housing projects, focusing on retrofitting and building fabric energy efficiency. She also advises public and private sector clients on energy efficiency and renewable energy, through the Resource Efficient Wales programme. Poppy has worked in the low carbon buildings sector since 2008. She holds a Bachelor’s degree in Environmental Science and a first class Master’s degree in Environmental Management, specialising in climate change adaptation in housing. Poppy has been a board director for the National Communities Resource Centre, home of the Housing Plus Academy, since 2013. Poppy has also undertaken practical and theoretical training in the restoration of traditional and historic buildings, which she regularly puts into practice in her spare time.

Rachel Barker


Rachel is a carbon and sustainability professional specialising in Greenhouse Gas reporting and verification. She works across all sectors and has been an Accredited Assessor for the Carbon Trust Standard since 2009. Rachel is a lead auditor for ISO 50001 Energy Management Systems and draws on her broad environmental management experience. Rachel trained as a Chemical Engineer and worked in the oil and gas sector with BP Exploration prior to completing an MSc in Business Strategy and Environmental Management. She is an experienced project manager, having worked as an environmental consultant since 1996.

Richard Rugg


Richard Rugg is Managing Director of Carbon Trust Programmes and is responsible for the delivery of strategic low carbon advice to governments, public sector bodies, charities and small business both across the UK and overseas. Richard has worked at the Carbon Trust for over 12 years and has played a pivotal role in developing successful national approaches to resource efficiency and advice dissemination with a strong focus on robust target setting, effective programme governance and organisational engagement.

Rob Hatcher


Rob supports our technical services and is extensively involved with carbon and energy management advice. Working with our public sector clients in the UK and abroad, Rob has delivered an array of technical advice and effective carbon management strategies. Rob is a Certified Energy Manager (CEM) and Measurement and Verification professional (CMVP) who routinely deliver energy reviews and low carbon technology feasibility studies. As an independent energy consultant, Rob has been extensively involved with monitoring and targeting software services, LED retrofit, boiler replacement and solar PV programme management.

Rory Shanahan


Rory is a qualified Energy Systems Engineer and a key member of the Carbon Trust’s carbon management and energy efficiency team in Scotland. He has worked extensively with a range of public and private sector organisations across the UK, Ireland, and more recently in Mexico. This has included completing site energy surveys, carbon footprinting, delivering technical training and providing detailed evaluations of the potential energy saving and renewable energy generation opportunities specific to each site. Rory has also worked with several organisations in delivering a strategic Carbon Management Plan, with particular focus on energy management and project identification and quantification aspects.

Silvana Centty


Silvana is an experienced manager with more than 15 years of work experience and a strong background in sustainability, project management and international business. Silvana leads our business development of the Carbon Trust’s international footprinting business working with corporates around the world on environmental footprinting, certification and eco-labelling strategies. She has helped businesses to identify operational improvements, reduce costs and enhance their brand reputation. Fluent in Spanish and English, Silvana holds a degree in Communication Science from Universidad de Lima, an MBA from Birmingham University and a Diploma on Climate Change Science, Impact and Responses from Imperial College.

Simon Retallack


Simon Retallack has 18 years’ experience of leading initiatives addressing environmental issues in a variety of roles. He is currently Director for Latin America at the Carbon Trust, overseeing the Carbon Trust’s offices in Mexico and Brazil, and managing projects and the development of new business across the region, including Mexico, Brazil, Chile, Colombia, Panama, Cuba and Peru. At the Carbon Trust, Simon has led a number of high profile engagements for government clients on the development of low carbon strategy, policy and delivery programmes. Previously he was head of an award-winning team working on climate policy at the Institute for Public Policy Research, working at a senior level with Ministers and CEOs. Simon has extensive project experience in the UK and across Latin America. He is a member of the board of Carbon Trust Mexico and a trustee of the New Economics Foundation.

Soffia Alarcon-Diaz


Soffia leads our work with governments and businesses in Mexico, and provides support to our initiatives across Latin America.  She is currently leading the expansion of the Low Carbon States programme following successful pilots working with the state governments of Jalisco and Tabasco. Soffia was previously Director for Climate Change Mitigation at Mexico’s Secretariat of the Environment and Natural Resources (SEMARNAT), where she was responsible for the design and implementation of the National Emissions Register and other public policy and planning instruments related to carbon pricing, MRV and climate change. Soffia has a master’s degree in Public Administration and Environmental Policy from Columbia University in New York and a degree in International Relations from El Colegio de México. She is a member of the programme in Advanced Studies on Environment and Sustainable Development (LEAD-Mexico) at El Colegio de México.

Stefania Omassoli


Stefania has almost fifteen years’ experience in strategic problem solving. She joined the Carbon Trust strategy team in 2005, where she worked on and led a wide range of projects, from internal strategy reviews and new product development activities to market insight and policy advice work in energy efficiency and low carbon innovation. Stefania is now Director of Business Development across the Carbon Trust group, and is a Director of Carbon Trust Advisory Ltd, Carbon Trust Certification Ltd and Carbon Trust Mexico. Stefania has a Master in Chemistry from Oxford University and prior to the Carbon Trust worked for a global strategic marketing and sales consulting firm in the pharmaceutical and healthcare sector.

Tanja Groth


Tanja is a Manager responsible for projects in the field of decentralised energy, including distributed heat and community energy. She has over 7 years of experience with the finance and economics of energy projects, with project management experience from a Senior Consultant role at an economics consultancy (London Economics) and from a Head of Marketing role at a combined heat and power manufacturing start-up (Stirling.DK). She has a track record of policy, business and socioeconomic analysis with published academic papers and a PhD in decentralised energy economics. She has produced and quality assured more than 35 financial and socioeconomic models of decentralised energy systems, including trigeneration, cogeneration, solar, wind, waste, biomass, biofuel and biogas.

Tim Pryce


Tim Pryce leads the Carbon Trust's work with the public sector, helping organisations and cities to pull together carbon inventories, set reduction targets, and identify low carbon projects and strategies. Through Tim’s team the Carbon Trust has helped over 3,000 public sector bodies and 400 local governments in the UK, Latin America, Malaysia and China to identify savings in excess of £2.5bn. Tim is a qualified chartered accountant, and has a particular interest in sustainable cities, having presented at events run by the Smart Cities Expo World Congress, the Economist and the Guardian among others.  Prior to joining the Carbon Trust in July 2008, Tim worked at the National Audit Office, conducting reviews of the Climate Change Agreements, EU ETS and flood defences among others. He graduated from the University of Reading with an MSc in Applied Meteorology, and from the University of Oxford with a BA Hons in Geography.

Tom Cumberlege


Tom is an experienced consultant helping businesses to tackle diverse sustainability issues across a range of sectors such as agriculture, FMCG, financial services and luxury goods. His advice enables clients to realise low carbon investment opportunities across their value chains, conduct product footprinting projects and supply chain engagement and financing solutions. He has also developed guidance for the GHG Protocol’s Scope 3 Standard on behalf of the World Resources Institute. Prior to working in the Business Advice Team, Tom managed the Carbon Trust’s Public Sector Programmes.

Yihui Shi


Yihui is a Consultant in energy efficiency for the Beijing Office. He specialises in low carbon city planning and development, large scale renewable energy implementation, sustainable infrastructure and financing. He was responsible for the sustainability division of the Ningbo Damuwan Ecocity, where his responsibilities included implementation of low carbon building standards, large scale renewable energy implementation feasibility study, World Bank loan project proposals and several GEF TA projects on urban form and integrated transport. Yihui holds a MEng in Mechanical Engineering from Imperial College London and worked on Tidal Turbine Fluid Mechanics as a DPhil candidate at Oxford University.

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