Team

 


Tomakin Archambault
Tomakin Archambault
tomakin@gssgsolar.com

Tomakin Archambault • CEO and Managing Director

Tomakin is a member of the Investment Committee and a Board Director. In addition to overseeing the direction and performance of GSSG, Tomakin plays a key role in fundraising efforts and in the structuring of all GSSG transactions. Before joining GSSG Solar, Tomakin was the VP of Finance & Investment and co-head of the Global Special Situations Group at SunEdison, where he led the origination and execution of SunEdison Reserve, SunEdison’s largest multi-country solar fund, and oversaw a team dedicated to innovative financings across the US and internationally. Previously, he was an original member of a wind and solar investment platform at a private investment fund where he originated, structured, and invested in a number of solar portfolios across the US. Earlier in his career, he consulted at the Rocky Mountain Institute. Tomakin received his BS in Mechanical Engineering with Honors from University of Denver and his MS in Civil Engineering from Stanford University.
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Jason Stevens
Jason Stevens
jason@gssgsolar.com

Jason Stevens • Managing Director

Jason oversees technical activities and operations at GSSG Solar, including the technical diligence of potential transactions. He is a member of the Company’s Investment Committee. Jason is involved in assessing the technical and operational viability of all solar assets at GSSG to ensure they meet all requirements for investment. A 13-year veteran of the solar industry and an early employee of SunEdison, Jason was most recently the MD of Operations within the Global Special Situations Group. Previously, Jason was the VP of Engineering, Procurement & Construction (EPC) for SunEdison where he led a several hundred-person team responsible for the development, design, permitting, and construction of over 300MW of solar projects across a variety of applications, customers, and geographies. Prior to SunEdison, Jason worked in BP’s solar division in both a business and product development role. He has evaluated technical feasibility, operational optimization, and the resulting financial impacts across a wide range of solar project technologies. He received his BS Mechanical Engineering from Virginia Tech and an MBA from University of Texas, Austin.
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Charlie McDaniel
Charlie McDaniel
charlie@gssgsolar.com

Charlie McDaniel • Director

Charlie leads acquisition activities in Japan. Charlie sources new investment and advisory opportunities for GSSG and has overseen the diligence of over 2.0 GW of utility scale opportunities in Japan. Charlie spent 5 years at SunEdison where he was most recently a Director of M&A within the Global Special Situations Group. He led the acquisition of over 1 GW of project pipeline. He also sourced and evaluated the preliminary financial, technical and strategic attractiveness of over 20 GW of pipeline. Previously, as an architect of SunEdison’s Channel Partner Program, Charlie added over 100 MW of surplus in the commercial sector. Prior to SunEdison, Charlie was an FP&A analyst at Mervyn’s department store, where he developed the solar program for their store rooftops. Charlie earned his BA from Truman State University and was a member of the collegiate soccer team. Charlie also holds an MBA from the University of San Francisco. He serves on the board of directors for Revision, a Denver-based non-profit.
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Martin Mesmer
Martin Mesmer
martin@gssgsolar.com

Martin Mesmer • Director of Operations

Martin is responsible for ensuring each project in GSSG Solar’s Japanese portfolio is designed and built to the highest quality and performance standards available. He evaluates the selection of each EPC partner and supplier while constantly optimizing the layout, structure, and electrical scheme of each design with an eye for long-term investment performance. In addition to standard design tools and optimization software, Martin relies heavily on the relationships and experiences he has built over his 20 years in the solar industry. He started his solar career analyzing the first HIT cells manufactured at Sanyo Solar in Hirakata-City, Japan. Later, he has served as a technical advisor to Intel Capital for photovoltaic investments, built the US PV engineering team for Siemens, and developed E.On’s PV engineering division in San Francisco. Prior to joining GSSG Solar, he oversaw the technical design, negotiation, and implementation of over 240 MW of PV plants in Japan for a leading IPP. He holds a degree in Electrical Engineering from FachHochschule Regensburg in Germany. He is fluent in German, Japanese and English and is conversational in several other languages.
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Yoshiyasu Sumi
Yoshiyasu Sumi
yoshiyasu@gssgsolar.com

Yoshiyasu Sumi • Director of Asset Management

Yoshiyasu leads asset management and project management activities in Japan. Prior to joining GSSG, he spent 6 years at Octave Japan KK and lead asset management, structuring, transaction management, reporting, accounting and compliance as an Executive Director. He worked on various transactions including asset management of a loan portfolio for the major US real estate fund ($1.0+ B enterprise value), asset management for European-based real estate fund, and the project development and asset management activities for two international solar investment funds. Previously, Yoshiyasu worked at Capmark Japan KK where he was in charge of secondary market transactions, loan pricing on over 15 real estate backed syndication/securitization transactions, and responsible for working out defaulted real estate debt, developing pricing models, and implementing an in-house accounting management system. He started his career as Financial Analyst at Hitachi Chemical and obtained a B.A. in Economics from Keio University (Tokyo).
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Adrian Archambault
Adrian Archambault
adrian@gssgsolar.com

Adrian Archambault • Senior Manager

Adrian develops, audits, and manages the financial models used in financial structuring and valuation for GSSG. He has overseen the valuation on close to 2 GW of pipeline and manages the tax and debt structuring of each of the Company’s controlled projects. He also performs most of the policy research in both the US and Japanese markets. Adrian graduated Phi Beta Kappa from Stanford University with a degree in Earth Systems and a minor in Economics. He was the Lorry I. Lokey intern at Environmental Defense Fund and conducted carbon cycle research on the remote Pacific island of Palmyra Atoll.
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Terry J. Perardi
Terry J. Perardi, CPA
terry@gssgsolar.com

Terry J. Perardi, CPA • VP Accounting & Compliance

Terry manages the corporate finance activities of GSSG and its affiliates, including tax, accounting and compliance matters. He has spent his entire professional career in various accounting and operations roles for leading energy firms and investors. The first 21 years of his career he was with Amoco (later merged with BP) where he worked in accounting, financial analysis, mergers & acquisitions, strategy & planning, and business management in path their petro-chemical and refining businesses. He last held the position of US Regional Controller for the refining business. After BP, Terry held CFO and Controller roles at Black Elk Refining and C12 Energy, both leaders in the traditional O&G space. Terry is a Certified Public Accountant, holds an MBA in Finance and Accounting from the University of Chicago and a BS in Accounting from Bradley University. He has also completed executive education programs in strategy and negotiation from the University of Chicago.
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Yujiro Hirayama
Yujiro Hirayama
yujiro@gssgsolar.com

Yujiro Hirayama • Sr. Director

Yujiro is tasked with navigating the local financing, development, and partner discussions in Japan. Yujiro was formerly the Deputy General Manager at Development Bank of Japan where he oversaw a team that managed a portfolio of real estate, railroad, and construction assets. Previously he held positions with MBIA Insurance Corporation and Bank of Tokyo Mitsubishi UFJ, Ltd., located in New York and Tokyo, respectively. Yujiro earned his BA in Law from Keio University (Tokyo); studied political science at the University of Massachusetts, Amherst; studied law and economics at the University of Freiburg (Germany); and received his MBA from Thunderbird. He is fluent in Japanese and English, and conversational in German.
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Meet Our Board of Directors