29/30 Fitzroy Square, W1T6LQ London

+44 (0) 20 - 7183 569-0


MICHAEL BRAUN Managing Director 

Michael Braun studied Law at the judicial faculties of the Universities Hamburg, Lausanne and Munich. His expertise in the renewables and project financing sector reaches back to 1996 when he represented various international clients in the emerging PV and Clean Tech Sector, as Attorney at Law; founder and partner of a Munich based law firm. From 2000 until 2010, he was the German representative of  a US commercial bank and principal of an independent consulting firm through which he cooperated and transacted with many international institutional and strategic investors and lenders being engaged in equity and debt financing in the renewables sector. Since 2011, Michael focuses on the financing of Deep Geothermal Power Plant projects in Germany and M&A transactions in most areas of the renewables sector. Since early 2019. Michael is also active as developer of deep geothermal power plant projects in Germany.


Jon Boles studied International Relations at Davidson College (USA), the Julius-Maximilians Universität Würzburg and the University of Cologne (on a Fulbright Scholarship). He attained his Master’s degree from the Johns Hopkins University School of Advanced International Studies (Bologna / Washington). Jon has more than 25 years of experience in energy project finance, as a project finance professional at Dresdner Kleinwort Wasserstein (in Germany and Latin America), as a member of the management team of the E.ON Group in Europe und as an investor and fundraiser i.a. at Fjord Capital and  KGAL Real Assets in the UK and Germany. At Exterra Capital, Jon is responsible for the financing of renewable energy projects in Central Europe and in Emerging Markets.

Director and Representative Switzerland

Dr. Magnus Sedlmayr graduated from the University of Chicago and the University of St. Gallen, Switzerland each with an MBA. He also obtained his doctorate in economics from the University of Budapest. After his university education, he worked in investment banking at Goldman Sachs and Bankers Trust and assumed various leading responsibilities in the VIAG/EON Group reaching from treasury, project and acquisition finance, accounting, taxes, asset management to mergers and acquisitions, international corporate development and power trading. As CFO at AllMerus Energy Ltd., London, Magnus, amongst other, arranged project financing of a geothermal power plant project in South Germany, back in 2008.  As Exterra Capital`s Senior Director, Magnus is responsible for equity and debt financing related matters and specialized on transactions in the sector of geothermal and wind energy.

GEORG VON KRIEGSHEIMRepresentative Italy

Georg von Kriegsheim holds a Masters Degree in Economics of the technical University Berlin. Prior to working in the renewables sector, he has worked at Ernst & Young Transaction Services in Frankfurt where  he advised private equity clients as well as strategic investors in various business sectors.  He served as M&A project manager within E.ON Group (Thüga AG) where he was responsible for the acquisition of natural gas sales and distribution companies in Italy. In 2007, Mr. von Kriegsheim  started to work for AllMerus Energy Ltd.. London where he focused on deal structuring, financial modeling and investor relations. At Exterra Capital, Mr. von Kriegsheim focuses on project financing for Biomass, Solar and Wind Projects in Italy.

JOSEPH MUTHUDirector and Senior Advisor

Joseph Muthu is a Fellow of the Institute of Chartered Accounts in England and Wales and has an Executive MBA from Warwick. He currently assumes the position of CFO at a London based investment firm where he is responsible for portfolio management and investment of its UK fund. Prior to assuming this position, Mr Muthu has worked in the majority of the European countries in energy and gas distribution, generation and renewables. He has more than 20 years of energy industry experience having been a partner on a fund focussing on renewables across Europe and having held several positions at Duke Energy Europe and Eastern Electricity. At Exterra Capital he serves as Director and Senior Advisor in all financial and administrative matters of the company.

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