Our multi-disciplinary investment team compromises individuals who have complementary backgrounds in fields such as project lending and development, engineering, accounting, corporate finance and law. Members of the investment team have completed over €3 billion of transactions in the renewable energy and related sectors (the "New Energy Sector") involving assets in over a dozen countries worldwide. The team has a wide range of contacts throughout the New Energy Sector and broad experience of New Energy Sector transactions across Europe and North America.

The investment team draws on the extensive experience of the Investment Committee members, which in addition to Peter Rossbach and Daniel von Preyss comprises Chairman Ian Simm, Impax's Chief Executive with more than 20 years experience in renewable energy, and Nigel Taunt who brings more than 30 years of relevant experience.

Managing DirectorPeter RossbachView details

  • Managing Director
  • Peter Rossbach
  • Peter Rosbach

    Peter joined Impax in May 2003 and has driven the creation of the NEF I and II portfolios whilst heading the Impax Private Equity and Infrastructure team. Peter has been involved in the financing of energy projects since 1983. He started his career with the renewables division of the US Department of Energy in 1980 before working as aide for energy and environment to US Senator Jim Sasser. After working "out West" in the natural gas sector in 1984-1985 Peter obtained his credit background as a utility and energy project debt analyst with Standard & Poor's in 1985-1986. He has worked in each tier of the capital structure, having spent three years with the American developer Catalyst Energy and its affiliates developing and financing over 650 MW ($1 billion) of renewable and other energy projects and five years as Vice President of Project Finance for senior lender Mitsui Bank. In the 1990s, Peter was appointed by the US Government to be Senior Investment Adviser to the European Bank for Reconstruction and Development, where he established a private equity fund for environmental infrastructure in Eastern Europe. From 1997-2000 he was Senior Investment Officer of the Asian Mezzanine Infrastructure Fund, a power and infrastructure mezzanine and equity investment fund that made successful investments in the New Energy Sector. Peter is a former member of the Cleantech study group of the British Venture Capital Association and former non-executive director of Coronation Power Limited. He has a BA from Harvard College and a Master's degree from Harvard's Kennedy School of Government, where he studied Utility Regulation and Finance.


Managing DirectorDaniel von PreyssView details

  • Managing Director
  • Daniel von Preyss
  • Daniel has significant business and senior transactional experience with blue chip companies within the energy and utility sectors. Prior to joining Impax he was responsible for Babcock & Brown's Northern European infrastructure activities where he focused on regulated utilities, gas storage and broader power generation.

    Prior to this, Daniel was Director of Corporate Finance for the European Energy and Utilities team at Deutsche Bank with a strong focus on M&A activity in Europe and a member of Citigroup's Utilities team.

DirectorDavid Trafford-RobertsView details

  • Director
  • David Trafford-Roberts
  • David joined Impax in February 2007 and oversees the NEF Investment Team's relations with project lenders. Previously Head of Project Finance at IXIS Corporate and Investment Bank, he has over 18 years experience as an adviser or funder to limited recourse project companies. He acted as adviser and arranger of the North East Lincolnshire energy-from-waste project in 2006. He was investment officer of the Asian Mezzanine Infrastructure Fund based in Singapore between 1997 and 2000 where he structured the mezzanine funding for the Theun Hinboun hydropower project.

    Previously he worked in the successful private equity team, which is now Doughty Hanson. He is bilingual in French and English and holds a BSc in Engineering from Reading University. 

ConsultantJoe BerryView details

  • Consultant
  • Joe Berry
  • Joe joined Impax in 2002 and led a number of investments in the solar and wind sectors for the NEF I portfolio.  Previously, Joe worked in Impax's transaction advisory business where he contributed to the project financing of the £150 million Allington energy-from-waste facility, and advised on the Crown Estate's selection of the UK Round 2 offshore wind lessees. Joe began his career at Ernst & Young's International Banking and Capital Markets Group where he trained and qualified as a chartered accountant, before moving to E&Y's Renewable Energy and Waste Corporate Finance Group, where he provided advice on M&A, project financings and capital raisings to a wide range of clients in the sector.

    An engineer and a qualified accountant, Joe received his MEng in Engineering Science from Pembroke College, Oxford University.

Assistant DirectorRyan CameronView details

  • Assistant Director
  • Ryan Cameron
  • Ryan joined Impax in January 2006. Ryan specialises in valuation and risk analysis while supporting investment execution and managing technical due diligence. Ryan has also worked to develop relationships with developers across Europe and North America.

    Prior to Impax, Ryan worked in the project finance group at Investec Bank in London, where, for four years, he was involved in raising senior bank debt and bond finance for sponsors as well as evaluating principal mezzanine debt opportunities in the New Energy Sector.

    In addition, he advised on equity and subordinated debt investment structuring in support of private equity sponsors bidding for infrastructure projects mostly in the UK with assets of between £40 million and £1 billion. Ryan joined Investec after working as an analyst in the fixed income division at Goldman Sachs in London.

    He has a BA from McGill University in Canada with majors in both Economics and Political Science.

Associate DirectorVictor JuttmannView details

  • Associate Director
  • Victor Juttmann
  • Victor joined Impax in August 2008 and is responsible for portfolio structuring, tax optimisation and other legal and tax matters relating to NEF funds. In addition, he supports sourcing, analysis and execution of new investment opportunities and manages legal diligence. Previously a qualified tax and corporate lawyer at Dutch law firm De Brauw Blackstone Westbroek in Amsterdam, Victor has five years experience advising on private equity investment structures, mergers and acquisitions and financings. He started his career at the international tax group of Freshfields Bruckhaus Deringer. Based in the Amsterdam office he specialised in structured finance and international corporate income tax. Victor graduated in Dutch commercial law and tax law at Leiden University in the Netherlands, and received his MBA from IESE Business School in Barcelona. He is bilingual in English and Dutch and has working knowledge of German and Spanish.

Associate DirectorBen StaffordView details

  • Associate Director
  • Ben Stafford
  • Ben joined Impax in 2009, having previously worked at Consensus Business Group in London and at Blackrock Investment Management in London and New York. He has over four years of investment, renewables and private equity experience. Ben worked on the acquisition, integration and financings of the wind platforms in France and Germany. His focus is on analysing new investment opportunities throughout Europe.

    Ben holds a first class honours degree in Physics from the University of Oxford and a Masters of Research in Nanomaterials from Imperial College, London where his research was focused on optimising charge transfer within organic and thin-film solar cells.

AssociateGeraldo ViganoView details

  • Associate
  • Geraldo Vigano
  • Geraldo joined Impax in 2011 from Macquarie. At Impax Geraldo focuses on sourcing, analysing and supporting the execution of new investments. At Macquaire Geraldo was a member of a team that focused on management and acquisition of European infrastructure and renewable energy assets.

    Geraldo has a BA in Economics and Management and a Masters of Finance. Geraldo started his career at Venture Consulting, before work at the University of New South Wales as a research assistant in corporate financing and asset pricing.

Engineering ConsultantJim LoweView details

  • Engineering Consultant
  • Jim Lowe
  • Jim joined Impax in 2008 to project manage assets in construction in the NEF portfolio. Jim has extensive energy experience, having worked on the development, construction and operations of wind, solar and thermal projects. He has been a leader in the independent power industry since its emergence in the early 1980's. Jim has created two wind and solar renewable energy companies which are active throughout the EU. Prior to this, Jim led the development of energy projects for General Electric Company in Europe, launching several new technologies. Jim launched the independent power business for British Petroleum in Europe in 1995. While at BP he oversaw their first grass roots development in Great Yarmouth Power Ltd, and was involved in BP's investment in TNK. In the 1980's and early 1990's Jim worked at Cogentrix Energy, early movers in the independent power industry.

    While there, Jim led the team from permitting stage through to project financing and led the creation of a gas fired generation portfolio of more than 2000MW in size. 

    Jim received his BSME from Union College and MBA from the Babcock School at Wake Forest University.

Associate DirectorRhiann BrownView details

  • Associate Director
  • Rhiann Brown
  • Rhiann joined Impax in 2009, having previously worked as a Financial Controller for the Asset Management division of the Renewable Energy Funds managed by Platina Partners. She has over 9 years of accounting expertise and six years of investment, renewables and private equity experience. Rhiann works within the Asset Management team, which oversees the wind and solar investments made by the Impax New Energy Investors I and II Funds, having started at Impax working within the Finance department.

    Rhiann holds a first class honours degree in Business from the Bournemouth University and is a Chartered Accountant.