tempus team

Sara Bell – Founder and CEO

Sara founded Tempus Energy in 2012. Her background combines a financial markets systems risk career with energy system innovation. She is a Director of the Association of Decentralised Energy, a member of the High Level Group of i24C, the Industrial Innovation for Competitiveness initiative, a member of the Scientific Advisory Council for Energy for the Engineering & Physical Sciences Research Council and an Innovation Ambassador for Innovate UK.

Garry Sharp – non-executive Director

Garry has 28 years experience as a practitioner, consultant and adviser in the private equity and venture capital markets. He has delivered private equity and related courses in a wide range of emerging market countries and has also had 7 books published on the topics of private equity, management buy outs and mergers and acquisitions. He continues to work in an advisory capacity in private equity.

Molly Webb – non-executive Director

Molly has 10+ years of market acceleration and advocacy for global innovation in tech, climate change, smart cities and energy, working in partnership with companies and cities at The Climate Group and multiple UK think tank demos. She is also a Green Innovation Strategy adviser for Skype-founder’s Zennström Philanthropies; a jury member for numerous cleanweb and cleantech awards; and she holds MSc in Environmental Policy from the London School of Economics.


OUR Advisory board


Steve is the former Chief Executive of National Grid plc. He is Deputy Chairman of Convatec and also Chairman of the Board of Trustees at Crisis, the homeless charity. He volunteers his time as Vice Chairman of the Careers and Enterprise Company, Vice Chairman of Business in the Community and as a Vice President of professional body, the Energy Institute.

Steve joined National Grid Group as the Board Director responsible for the UK and Europe in March 2001, becoming Chief Executive of the company in January 2007 which he led for almost 10 years, until 2016.

Dimitri Zenghelis | member

Dimitri Zenghelis is Co-Head Policy at the Grantham Research Institute at the London School of Economics. In 2014 he was Acting Chief Economist for the Global Commission on the Economy and Climate. While he headed the Stern Review Team at the Office of Climate Change in London, he was one of the authors of the Stern Review report on the Economics of Climate Change. Before working on climate change, Dimitri was Head of Economic Forecasting at HM Treasury.

Fiona Woolf CBE | member

Dame Fiona Woolf is an energy lawyer with CMS Cameron McKenna.

Alderman Dame Fiona Woolf DBE was the Lord Mayor of London for the year 2013/14 as the 686th Lord Mayor, and only the second woman to hold the role since 1189. Her programmes, set out in her 686 Plan, covered The Lord Mayor’s Appeal, The Power of Diversity, The Lord Mayor’s Charity Leadership Programme and Tomorrow’s City. All of them had “The Energy to Transform Lives”- her Mayoral strapline.

She was awarded a DBE in the 2015 New Year Honours for services to the Legal Profession, Diversity and the City of London. She became a Deputy Lieutenant for Greater London in April 2016 .


Baroness Bryony Worthington | member

Bryony was appointed a life peer to the British Parliament’s House of Lords in 2011. She is a leading expert on climate change and energy policy and carbon trading. She recently served as the Shadow Minister for Energy and Climate Change in the House of Lords, leading on two Energy Bills for the Shadow Ministerial team. In 2006, Bryony helped launch a Friends of the Earth campaign for a new legal climate framework, which led to her selection as a lead author on the United Kingdom’s Climate Change Act. In 2008 Bryony then founded the Sandbag Climate Campaign, a group dedicated to scrutinizing the EU’s Emissions Trading Scheme.


Cameron Hepburn | member

Cameron is an economist with expertise in energy, resources and the environment. He is Professor of Environmental Economics at the University of Oxford and is also a Professorial Research Fellow at the Grantham Research Institute at the London School of Economics and a Fellow of New College, Oxford. He has provided advice on energy, environmental and climate change policy to governments and international institutions around the world. He has also had an entrepreneurial career, co-founding three successful businesses and investing in several other start-ups.

Goran Strbac | member

Goran is a Professor of Electrical Energy Systems at Imperial College and has over 25 years of comprehensive power system modelling experience. He leads Imperial’s Electricity Systems team with extensive expertise in modelling operation, planning and economics. He also led the development of advanced analysis approaches and modelling methodologies that have informed the electricity industry, governments and regulatory bodies about the technical, economic and market challenges associated with future low carbon electricity systems.