ChairmanRuss Stidolph has served as Chairman of Eos since 2018. Mr. Stidolph is the founder AltEnergy, LLC a private equity firm focused on alternative energy investing, where he has served as Managing Director since 2006. Prior to forming AltEnergy, Mr. Stidolph was a Principal at J.H. Whitney & Co., LLC a middle-market private equity firm based in New Canaan, Connecticut. While at J.H. Whitney Mr. Stidolph was responsible for starting and developing the firm’s alternative energy investing practice where he was responsible for Hawkeye Renewables, LLC and Iowa Winds, LLC. Mr. Stidolph was both the Chief Financial Officer and Vice Chairman of Hawkeye Renewables, LLC before it was sold in 2006 to Thomas H. Lee Partners, LP. Prior to joining J.H. Whitney, Mr. Stidolph was a member of the corporate finance group at PaineWebber, Inc., that was responsible for high yield and leverage finance origination. Mr. Stidolph also acted as Senior Vice President and the Chief Financial Officer of Tres Amigas, LLC and he still sits on the Company’s Board of Directors, and was Chairman of the board of directors of Viridity Energy, Inc before it was sold to Ormat Technologies in 2017. Russell received a Bachelor of Arts degree from Dartmouth College.
DirectorAlex Dimitrief has served as a member of our board of directors since November 2020. Mr. Dimitrief is an experienced director, Chief Executive Officer, C-suite leader and general counsel who has steered varied energy-related and other global businesses through a wide range of complex commercial, legal and organizational challenges. He has previously served as a director of both public and non-public companies including The We Company, Synchrony Financial (NYSE: SF) and GE Capital Bank and presently sits on the Advisory Board of Cresset Capital Management. As President and Chief Executive Officer of General Electric’s Global Growth Organization, Mr. Dimitrief was responsible for driving GE’s growth in more than 180 countries. Under Mr. Dimitrief ’s watch in 2018, GE achieved $76 billion in international orders and secured billions in financing for many of GE’s emerging market customers. As GE’s General Counsel, Mr. Dimitrief served as the principal executive advisor to GE’s Board and led a global team responsible for GE’s legal matters, compliance, SEC reporting, government affairs and environmental safety programs. In previous roles at GE, Mr. Dimitrief was a leader of the transformation of GE Capital (including the IPO/split-off of Synchrony Financial) and led joint venture negotiations for GE Energy in China and Russia. In announcing Mr. Dimitrief ’s retirement from GE in January 2019, Chief Executive Officer Larry Culp described Mr. Dimitrief as “one of the most respected leaders at GE” who “effectively represented GE before governments, regulators and customers throughout the world and is widely recognized as a compelling champion of integrity, transparency and the rule of law.” In 2007, Mr. Dimitrief came to GE from after 20 years as a senior partner at Kirkland & Ellis LLP, where he “first chaired” and regularly advised Boards about securities, restructuring, intellectual property, product liability, environmental, governance and commercial disputes. Mr. Dimitrief earned his B.A. from Yale College and his J.D. from Harvard Law School.
DirectorJoe Mastrangelo has served as a board advisor since March 2018 and as our Chief Executive Officer since August 2019. Before coming to Eos, Mr. Mastrangelo was president and chief executive officer of Gas Power Systems since September 2015. As an energy industry leader for the past two decades, Mr. Mastrangelo has extensive experience leading diverse teams to develop and deploy commercial scale projects around the world. Mr. Mastrangelo has broad operating experience across the energy value chain including serving as Chief Executive Officer of GE’s Power Conversion business, applying science and systems of power conversion to increase the efficiency of the world’s energy infrastructure. Mr. Mastrangelo spent ten years with GE Oil & Gas, in leadership roles in finance, quality, and commercial operations, culminating in being named a GE Corporate Officer in 2008. Joe began his career with GE in the company’s Financial Management Program and then joined GE’s Corporate Audit Staff. Originally from New York, Mr. Mastrangelo earned a Bachelor of Science in Finance from Clarkson University and an Associate of Science, Business Administration and Management from Westchester Community College.
DirectorDaniel Shribman has served as a member of our board of directors since November 2020. Mr. Shribman, is BMRG’s Chief Executive Officer, Chief Financial Officer and Director, has served as chief investment officer of B. Riley Financial (Nasdaq: RILY) and as president of B. Riley Principal Investments, LLC since September 2019 and September 2018, respectively. Mr. Shribman helps oversee the asset base of B. Riley Financial alongside chief executive officer Bryant Riley. Shribman has served as a member of the board of directors of Alta Equipment Group Inc. (NYSE: ALTG) since February 2020, when it completed its business combination with B. Riley Principal Merger Corp., where Mr. Shribman was chief financial officer. Mr. Shribman brings experience in both public and private equity to Eos. Prior to joining B. Riley, Mr. Shribman was a Portfolio Manager at Anchorage Capital Group, L.L.C., a special situation asset manager, from 2010 to 2018.
Marian “Mimi” WaltersDirector
Marian “Mimi” Walters
DirectorMarian “Mimi” Walters has served as a member of our board of directors since November 2020. Ms. Walters is Chief Commercial Officer for Leading Edge Power Solutions, LLC since November 2019. She is a former Member of the U.S. House of Representatives (the “House”) from California’s 45th District where she worked on key legislation, business and policy initiatives related to energy, technology, environmental and healthcare and served from 2015 to 2019. As a member of the leadership of the House, Ms. Walters served on the influential Energy and Commerce Committee, and was a member of the Communications and Technology, Digital Commerce and Consumer Protection, and Oversight and Investigations subcommittees. Prior to her election to the, Ms. Walters was a member of the California State Senate, from 2008 to 2012 in the 33rd district and from 2012 to 2015 in the 37th district, where she served on the Banking and Financial Institutions Committee and was Vice Chair of the Appropriations Committee. She previously served in the California State Assembly, and mayor and council member for the City of Laguna Niguel. Prior to her career in public service, Ms. Walters was an investment professional at Drexel Burnham Lambert and Kidder, Peabody & Co. She earned a B.A. in political science from the University of California, Los Angeles.
DirectorAudrey Zibelman has served as a member of our board of directors since November 2020. Ms. Zibelman is Managing Director and Chief Executive Officer of the Australian Energy Market Operator (“AEMO”), responsible for overseeing AEMO’s strategy, operations and administrative functions. In addition to taking on role as Chief Executive Officer of AEMO, Ms. Zibelman also serves on the CSIRO Energy Advisory Committee, the Melbourne Energy Institute’s Advisory Board, and as a Director of the Melbourne Recital Centre and the Advanced Energy Economy Institute. Ms. Zibelman has extensive experience in the public, private and not-for profit energy and electricity sectors in the United States. Prior to joining AEMO in March 2017, her roles included Chair of the New York State Public Service Commission (“NYPSC”), from August 2013 to March 2018, Executive Vice President and Chief Operating Officer of system operator PJM from January 2008 to February 2013, executive roles with Xcel Energy, from 1992 to 2004, one of the United States largest integrated gas and electricity utilities and served on a number of energy industry advisory groups and Boards. During her tenure at the NYPSC, Ms. Zibelman led the design and implementation of extensive regulatory and retail market changes to modernize and transform the state’s electricity industry under New York Governor Andrew M. Cuomo’s ‘Reforming the Energy Vision’ plan. A recognized national and international expert in energy policy, markets and Smart Grid innovation, Ms. Zibelman is a Founder and past President and CEO of Viridity Energy, Inc., which she formed after more than 25 years of electric utility industry leadership experience in both the public and private sectors. Previously, Ms. Zibelman was the Executive Vice President and Chief Executive Officer of GO15 member organization, PJM, a regional transmission organization responsible for operating the power grid and wholesale power market which serves fourteen states across the eastern United States. Ms. Zibelman also held legal and executive positions at Xcel Energy, served as General Counsel to the New Hampshire Public Utilities Commission, and was Special Assistant Attorney General in the Minnesota Attorney General’s Office. During her career, Ms. Zibelman has served on numerous industry-related and non-profit boards, including, but not limited to the Midwest and Mid-Atlantic Reliability Councils. Ms. Zibelman’s board experience also includes Advisor to Secretary of Energy for the U.S. Department of Energy and Advisory Council, New York State Energy Research and Development Authority, the New York State Planning Board and the New York State Emergency Planning Council. Ms. Zibelman received her B.A. from Penn State University, her Executive MBA from University of Minnesota — Carlson School of Management and her J.D. from Hamline University of Law.
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