E4tech provides strategic thinking in sustainable energy, helping organisations to achieve solutions that are technologically, economically and environmentally sound.

E4tech is an international strategic consultancy focused on sustainable energy. Since 1997 we have worked with companies, governments, and investors to help them understand the global opportunities and challenges of clean energy. We have built a strong track record of providing objective and strategic business and policy advice backed up by sound technical knowledge. Our clients call on us for support in looking into the future and taking decisions under uncertain conditions. We support them through strategy development and business planning, market and competitor analysis, due diligence support, and policy analysis and development. We underpin this with detailed modelling and assessment work: techno-economic analyses of energy systems, greenhouse gas and sustainability assessments, and supply chain and primary resource evaluation.

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Our team

E4tech is proud of its exceptional team. Highly skilled consultants with deep expertise in sustainable energy technology, business and policy, our team members have backgrounds in industry, research and consultancy. Additional insight comes from their different nationalities, cultures and languages.

Dr Ausilio Bauen

Director - London
Ausilio’s focus is on bioenergy and biochemicals, with a wider interest in novel energy technologies and fuels.

Adam Chase

Director - London
Adam Chase leads our work on energy policy, strategy and finance.

Dr David Hart

Director – Lausanne
David Hart is the sector leader for Fuel cells and Hydrogen.

Jo Howes

Principal Consultant - London
Jo Howes leads our work in energy policy and innovation, with 15 years’ experience in bioenergy, hydrogen and energy systems.

Hermen M. Westerbeeke

Managing Consultant & Manager of Operations - London
Hermen's broad experience allows him to work across all of our sectors. He also manages E4tech's operations.

Dr Luca Bertuccioli

Managing Consultant - Lausanne
Luca leads E4tech’s Energy Systems and Storage sector.

Sébastien Haye

Managing Consultant - Lausanne
Sébastien leads our work on sustainability and resources in relation to energy: GHG emissions, land-use change, standards and chain-of-custody.

Richard Taylor

Managing Consultant - London
Richard Taylor is the sector leader for Biofuels and Bio chemicals and for Biomass systems.

Dr Marcello Contestabile

Senior Consultant - London
Marcello’s deep expertise is in hydrogen and electric vehicle adoption and the related infrastructure.

Mladen Crnomarković

Senior Consultant - London
Mladen’s focus is in the area of sustainable chemicals and bioenergy.

Franz Lehner

Senior Consultant - Lausanne
Franz works mainly on hydrogen, fuel cells and questions around the integration of variable renewable energies.

Ralph Ripken

Senior Consultant - London
Ralph has conducted numerous techno-economic analyses, in particular for bioenergy and biofuels.

Sabine Ziem Milojević

Senior Consultant - London
Sabine's focus is life cycle assessment of novel chemicals/fuel routes and strategic implications of results for business and policy.

Lizzie German

Consultant - London
Lizzie has experience in sustainability, bioenergy and low-carbon fuels, including techno-economic and market assessments.

Khangzhen Leow

Consultant - London
Khangzhen’s focus is on cleantech, innovation, and sustainability. He works across the low carbon and water sectors.

Chester Lewis

Consultant - London
Chester has a scientific background and a strong motivation for a sustainable energy future.

Chris Lowans

Consultant - London
Chris’ background in engineering and geophysics, gives him a solid technical foundation across the energy spectrum.

Yamini Panchaksharam

Analyst - London
Yamini has expertise in water, resources management, and natural sciences.

Gemma Shayle

Financial Controller - London
Gemma manages the finance function for the UK Company and oversees cash flow across both the UK and Swiss entities.

Crystel Martinez

Team Administrator - Lausanne
Crystel supports the day to day running of the Swiss office.

Kalon Richfield

Team Administrator - London
Kalon manages the day to day running of the London office and assists with improving operational processes.

Zain Pirbhai

Marketing Assistant - London
Zain supports the company’s marketing activities.

Our Network

Our multi-national and multi-lingual team of consultants is further supported by our global network of experts, industry & government contacts, data sources, and partner companies. This allows us to provide you with in-depth expertise and specialised skills wherever needed and expands our footprint well beyond Switzerland and the UK.

People we work with

Robert Rose

Bob Rose is Executive Director of the Breakthrough Technologies Institute, Inc. (BTI), an independent nonprofit advocate for technologies that carry environmental benefits to society. BTI’s fuel cell education program, Fuel Cells 2000, was established in 1993 and won international recognition during 21 years of operation. Bob founded the U.S. Fuel Cell Council, the trade association of the fuel cell industry, in 1998 and was Executive Director for 10 years.  Other focus areas include Bus Rapid Transit, U.S. air quality regulation, vehicle emission control and energy and environmental policy analysis.  Bob was a working journalist in New England before moving to Washington to work for Senator Edmund S. Muskie of Maine, as Press Secretary and, during Muskie’s tenure as Secretary of State in 1980, as Senior Special Advisor. Bob is one of the contributors to our Fuel Cell Industry Review.

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Branko Glavonjic

Prof. dr Branko Glavonjić has more than 15 years of experience in analysing woody biomass potential, consumption, and policy in South-Eastern European countries. He has consulted on numerous projects in the region financed by regional national governments or international organisations. He participated in the “Calculation of the 2020 RES Targets for the Contracting Parties of the Energy Community” programme of the European Energy Community advising on wood fuels in final total energy consumption. Over the last ten years Branko was national team leader of five international and twelve national projects on woody biomass and forest production chains. Chairman of the UNECE/FAO Timber Committee from 2008 to 2010, he is Team Leader of the UNECE/FAO Team of Specialists on Forest Products Statistics; a Member of the Society of Wood Science and Technology; and a Member of the Board of Directors of the Serbian Institute for Standardisation.

Currently, Branko is engaged with E4tech as National Long Term Expert on “Efficient firewood utilization in households” of the GIZ/DKTI project “Development of a Sustainable Bioenergy Market in Serbia”.

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Robin Hardy

Robin Hardy is the Projects Director for BasePower, a distributed generation developer focusing on delivering combined heat and power projects to the food and drink sector in the UK. Prior to this he worked for a leading industrial energy and water engineering consultancy, working with blue chip food and drink manufacturers all over the world. Robin has worked with E4tech to evaluate and develop the business case for renewable energy technology at industrial manufacturing sites in Scotland, including new distilleries and a cutting edge bio-refinery.

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Organisations we work with

E4tech Director Prof. David Hart sits on the Advisory Board of the Hydrogen and Fuel Cells Supergen Hub, an initiative that aims to link academics and industry experts to study the impact of hydrogen and fuel cells in low carbon energy systems.

E4tech Director Prof. David Hart sits on the Advisory Board of Conduit Ventures, an independent, long-term investor, focusing on innovative technology investments in OECD and selected Asian countries.

E4tech is a member of CleantechAlps, a platform promoting the development of the cleantech sector in Western Switzerland.

E4tech is a member of Hydrogen London, the public-private partnership working towards a hydrogen economy for London and the UK.

E4tech is a member of the Low Carbon Vehicle Partnership (LowCVP), a public-private organisation with a vision to support the UK shift to more sustainable transport.

E4tech is a member of the Scottish Hydrogen and Fuel Cell Association which promotes and develops Scottish expertise in fuel cells and hydrogen technologies.

Working at E4tech

We are always interested to hear from talented and self-motivated people who have what it takes to be part of our team. We offer a collegiate working culture, a competitive salary, and a diverse and interesting environment at the cutting edge of sustainable energy.

If you have a background and demonstrated interest in sustainable energy, a strong intellect, enjoy solving problems and can present arguments and thoughts clearly and concisely, we look forward to hearing from you.

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Current vacancies

To apply for our London or Lausanne offices you must have (or be able to obtain) the right to reside and work in the UK or Switzerland respectively.

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Lausanne Office

We currently do not have any vacancies.

London Office

Continued growth in our core areas of Biomass & Biofuels, Biochemicals; Fuel Cells & Hydrogen; Low Carbon Vehicles; Energy Systems & Storage; Energy Innovation & Policy, and Sustainability & Resources means that we plan to expand our London team with one or more Sustainable Energy Consultants . Please see the vacancy notice for detailed requirements and instructions on how to apply.

We are also recruiting experienced candidates (min. 5 years work experience) for senior positions in our Low Carbon Vehicles (notice); Fuel Cells & Hydrogen (notice); and Energy Systems & Storage (notice) sectors. See the vacancy notices for detailed requirements and instructions on how to apply.

The deadline for applications for all vacancies is Monday 26 February, 09:00 GMT.

Applications that are incomplete or do not comply with the instructions may be ignored.

Please note that E4tech will not consider candidates from recruitment agencies.

Open applications

The competition for jobs at E4tech is high, so if you decide to send us an open application, you will need to make it unique and show why you are right for our team. Your application should contain a tailored CV and cover letter. We will only consider applications from candidates who demonstrate they have the right to work in the UK and/or Switzerland (e.g. UK/Swiss citizens; candidates from the European Economic Area; holders of a valid UK/Swiss work visa) and failure to do so may result in your application being turned down. Send your open application to openjobs@e4tech.com. We will only contact those candidates whose application we wish to pursue further.