Portrait

William Plummer, Chairman

William Plummer served as the Executive Vice President and Chief Financial Officer of United Rentals, Inc., a publicly-traded equipment rental company, from December 2008 until October 2018, remaining with the company in an advisory capacity until January 31, 2019. Mr. Plummer has more than two decades of financial leadership experience, including positions as Chief Financial Officer of Dow Jones & Company and Vice President and Treasurer of Alcoa Inc. Previously, he held executive positions with Mead Corporation and General Electric Capital Corporation. Mr. Plummer currently serves on the boards of Global Payments, Inc. and John Wiley & Sons, Inc. Previously, he served on the board of UIL Holdings Corporation, an electric and natural gas utility company. Mr. Plummer received a B.S. and a M.S. in Aeronautics and Astronautics from the Massachusetts Institute of Technology and an M.B.A. from Stanford University.

Portrait

Mark Ein, Vice Chairman

Mark Ein served as Chairman, Chief Executive Officer and a member of the board of directors of Capitol Investment Corp. IV from inception until the completion of the business combination with Nesco and since such time has served as Nesco’s Vice Chairman. Mr. Ein is an investor, entrepreneur and philanthropist, who has created, acquired, invested in and built a series of growth companies across a diverse set of industries over the course of his 25-year career. During this time, Mr. Ein has been involved in the founding or early stages of six companies that have been worth over one billion dollars and has led over $1.5 billion of private equity, venture capital and public company investments. From July 2015 until June 2017, Mr. Ein was the Chairman of the Board and Chief Executive Officer of Capitol Acquisition Corp. III (“Capitol III”), a blank check company formed for substantially similar purposes as Capitol. In June 2017, Capitol III completed its business combination with Cision (NYSE:CISN), a leading media communication technology and analytics company. Mr. Ein has served as Vice-Chairman of the Board of Cision Ltd. since the closing of its business combination. From August 2010 to July 2015, Mr. Ein was the Chairman of the Board, Chief Executive Officer, Treasurer and Secretary of Capitol Acquisition Corp. II (“Capitol II”), a blank check company formed for substantially similar purposes as Capitol. In July 2015, Capitol II completed its business combination with Lindblad Expeditions, Inc. (NASDAQ:LIND), a global leader in expedition cruising and extraordinary travel experiences. Mr. Ein has served as Chairman of the Board of Capitol II (and now post-merger Lindblad Expeditions Holdings, Inc.) since the closing of the business combination. From June 2007 to October 2009, Mr. Ein was the Chief Executive Officer and Director of Capitol Acquisition Corp. (“Capitol I”), a blank check company formed for substantially similar purposes as Capitol. Capitol I completed its business combination with Two Harbors Investment Corp. (NYSE: TWO), a Maryland real estate investment trust, in October 2009. From October 2009 to May 2015, Mr. Ein served as the Non-Executive Vice Chairman of Two Harbors’ Board of Directors. Mr. Ein is the Founder of Venturehouse Group, LLC, a holding company that creates, invests in and builds companies, and has served as its Chairman and Chief Executive Officer since 1999. Venturehouse’s portfolio includes or has included the seed investment in Matrics Technologies in August 2000 (sold to Symbol Technologies in September 2004), the lead investment in the buyout of Cibernet Corporation from the CTIA in March 2003 (sold to MACH S.à.r.l. in April 2007), the acquisition of Visual Systems Group, Inc. (“VSGi”) from Net 2000 Communications, and an early investment in XM Satellite Radio. He has also been the President of Leland Investments Inc., a private investment firm, since 2005. Mr. Ein is Co-Chairman of Kastle Holding Company LLC, which through its subsidiaries conducts the business of Kastle Systems, LLC, a provider of building and office security systems that was acquired in January 2007. In 2008, Mr. Ein founded and is the owner of the Washington Kastles, the World Team Tennis franchise in Washington, D.C., that has won the league championship six times in its eleven years in the league. In September 2018, Mr. Ein founded Washington E-Sports Ventures, LLC and purchased an Overwatch League Team bringing the premier global esports league to Washington, D.C. Also in 2018, Mr. Ein formed MDE City Paper Holdings, LLC to acquire the Washington City Paper, the renowned weekly paper serving the Washington, D.C. metropolitan area since 1981. Mr. Ein has been a member of the World Economic Forum since 2016 and has served on the Board of Directors of Soho House Holdings Limited since September 2018. Mr. Ein is also the Chairman of the Board of the District of Columbia Public Education Fund and a Presidential Appointee to the board of the United States Tennis Association where he previously served for two terms as a member at large and then a term as Vice President of the Board and a member of the boards of The District of Columbia College Access Program (DC-CAP), the Smithsonian National Museum of Natural History and the International Tennis Hall of Fame. He was appointed by Mayor Vincent Gray to be a member of the D.C. Tax Revision Commission and also serves on the Executive Committee of the Federal City Council. In November 2018, Mr. Ein was inducted into the Washington Business Hall of Fame. In September 2009, Washington D.C. Mayor Adrian Fenty presented Mr. Ein with the Key to the City, highlighting not only his Washington Kastles success on the court, “but for their commitment to the District’s communities and our youth.” Previously in his career, Mr. Ein worked for The Carlyle Group, Brentwood Associates, and Goldman, Sachs & Co. Mr. Ein received a B.S. in Economics with a concentration in Finance from the University of Pennsylvania’s Wharton School of Finance and an M.B.A. from the Harvard Business School.

Portrait

Lee Jacobson, Chief Executive Officer & Director

Lee Jacobson joined Nesco as its Chief Executive Officer in 2012 and has served in such capacity since. Prior to joining Nesco, Mr. Jacobson spent 10 years with the Terex Utilities Division in multiple capacities, including Vice President & General Manager, Vice President of Commercial Operations, Vice President of Sales and Vice President of Business Development. Prior to his time at Terex, Mr. Jacobson served as the executive Vice President of Pacific Utility Equipment for two years. Mr. Jacobson received a B.S. in Business Administration from the University of Oregon and is a retired certified public accountant in the state of Oregon.

Portrait

Rahman D'Argenio, Director

Rahman D’Argenio joined Energy Capital Partners in 2010 and is currently a partner and a member of ECP’s Investment Committee where he is involved in all areas of the firm’s investment activities, with particular emphasis on fossil and renewable power generation and energy related services. He also currently serves on the board of directors of Nesco. Prior to joining ECP, Mr. D’Argenio spent seven years at First Reserve Corporation, an international energy-focused private equity firm based in Greenwich, Connecticut where his responsibilities included a leadership role in power, financial services and coal related investments. Prior to that, Mr. D’Argenio worked in the Energy & Utilities Investment Banking Group at Deutsche Bank Securities for approximately three years. Prior to that, Mr. D’Argenio began his career in the structured finance group at Sempra Energy Trading. Mr. D’Argenio currently serves on the boards of Sunnova Energy Corp., CM Energy, Triton Power Partners LP, and PLH Group, Inc. Previously, Mr. D’Argenio served on the boards of Brayton Point Power, LLC, EquiPower Resources Corp., Odessa Power Holdings, LLC and Red Oak Power Holdings, LLC. Mr. D’Argenio received a B.A. in Mathematics and Economics from the University of Pennsylvania.

Portrait

Dyson Dryden, Director

Dyson Dryden served as President, Chief Financial Officer and a member of the board of directors of Capitol Investment Corp. IV from inception until the completion of the business combination with Nesco and since such time has served as director of Nesco. From July 2015 until it completed its business combination in June 2017, Mr. Dryden was the President, Chief Financial Officer, Treasurer, Secretary and a Director of Capitol III. Since the closing of the business combination, Mr. Dryden has continued to serve as a director of Capitol III (now known as Cision Ltd.). From March 2013 to July 2015, Mr. Dryden served as the Chief Financial Officer and a Director of Capitol II. Mr. Dryden has continued to serve as a director of Lindblad Expeditions since the closing of its business combination. Mr. Dryden is also the founder of Dryden Capital Management, LLC, a private investment firm that invests in and builds private companies, and has served as its President since March 2013. Mr. Dryden has also been Vice Chairman of CDS Logistics Management, Inc., one of the largest providers of home improvement product delivery services in the United States, since 2009. From August 2005 to February 2013, Mr. Dryden worked in Citigroup’s Investment Banking division in New York, most recently as a Managing Director where he led the coverage effort for a number of the firm’s Global Technology, Media and Telecommunications clients. From 2000 to 2005, Mr. Dryden held the titles of Associate and Vice President at Jefferies & Company, a middle market investment banking firm. From 1998 to 2000, Mr. Dryden worked in the investment banking group at BB&T Corporation. Mr. Dryden is currently a member of the Board of Directors of Washington E-Sports Ventures, LLC, founded to purchase an Overwatch League Team and build other esports teams that will represent the capital region from Baltimore to Richmond including Washington D.C. and all of Maryland and Virginia. Mr. Dryden holds a B.S. in Business Administration with a dual concentration in finance and management from the University of Richmond.

Portrait

Jennifer Gray, Director

Mrs. Gray joined Energy Capital Partners in 2008 where she currently serves as a Managing Director, Counsel and Chief Compliance Officer in addition to serving as the chair of the Compliance/ESG Committee and an observer on the Valuation Committee. In addition, Mrs. Gray has been actively involved with the business operations and management of numerous ECP portfolio companies. Prior to joining Energy Capital Partners, Mrs. Gray was an associate at the law firm of Latham & Watkins LLP where she represented both lenders and borrowers in joint venture, financing acquisition and development transactions. Mrs. Gray received both a B.S. in International Business and a J.D. from Pepperdine University. Because of Mrs. Gray’s legal and regulatory background and experience in joint venture, financing, acquisition and development transactions, we believe that Ms. Gray is well qualified to serve on our board of directors.

Portrait

Matt Himler, Director

Matt Himler is currently a Vice President at Energy Capital Partners. At ECP, Matt is involved in all areas of the firm’s investment activities and currently sits on the board of NESCO Specialty Rentals (NYSE: NSCO), CIG Logistics and NCSG Crane & Heavy Haul. He previously sat on the ProPetro Services (NYSE: PUMP), one of the largest completion service businesses in the Permian basin.

Prior to joining ECP in 2012, Matt worked at Lazard Frères & Co in New York advising power, utility and infrastructure clients on M&A and corporate strategy.

Matt received his B.A. in Economics and Political Science from Amherst College in 2009.

Portrait

Doug Kimmelman, Director

Doug Kimmelman established Energy Capital Partners in April 2005 and has since served as its Senior Partner. He is also a member of ECP’s Management Committee and Investment Committee. He also currently serves on the board of directors of Nesco. Prior to founding ECP, Mr. Kimmelman spent 22 years with Goldman Sachs, starting in 1983 in the firm’s Pipeline and Utilities Department within the Investment Banking Division. He was named a General Partner of the firm in 1996 and remained exclusively focused on the energy and utility sectors in the Investment Banking Division until 2002 when he transferred to the firm’s J. Aron commodity group to help form a new business for the firm in becoming an intermediary in electricity trading markets. While with the J. Aron commodity group, he was instrumental in developing the Constellation Power Source concept as the initial entry point for Goldman Sachs as a principal into electricity markets. Mr. Kimmelman also played a leadership role at Goldman Sachs in building a principal investing business in power generation and related energy assets. Mr. Kimmelman currently serves on the boards of Calpine Corporation, US Development Group, LLC, USD Partners, LP (NYSE: USDP) and Sunnova Energy Corp. Mr. Kimmelman received a B.A. in Economics from Stanford University and an M.B.A. from the Wharton School at the University of Pennsylvania.

Portrait

Jeffrey Stoops, Director

Jeffrey Stoops joined SBA Communications Corporation in 1997 and has been the Chief Executive Officer since 2002. He was appointed a director of the company in 1999. He previously served as Chief Financial Officer and General Counsel where he was responsible for finance activities, capital markets, mergers and acquisitions and legal affairs of the organization, including the purchase of the first towers for the company. Before joining SBA, he was a partner in Gunster, a law firm in Florida, where he worked for thirteen years in the corporate, securities and mergers and acquisitions areas. Mr. Stoops is a current director and past chairman of the Board of the Wireless Industry Association (WIA), the trade organization of the wireless communications infrastructure industry. He is currently a member of the Board of Directors of the Raymond F. Kravis Center for the Performing Arts in West Palm Beach, Florida; and the Board of Directors of the entity responsible for the Honda Classic PGA golf tournament held annually in Palm Beach Gardens, Florida. Mr. Stoops is the former chairman of the Board of St. Andrew’s School, Boca Raton, Florida. He graduated with a Bachelor’s and Juris Doctor’s degrees from Florida State University.