Board of Directors

Mr. Heinberg is the founder of, and since 2012 has served as the Managing Director of, MAH Associates, LLC, which provides strategic advisory and consulting services to various companies. Mr. Heinberg served as Chairman of the board of directors of PAE Inc. until February 2022 and as Senior Advisor to Buford Capital, a litigation finance company, until July 2020. Further, he has served as Chairman of the board of directors of Ecology and Environment, Inc. (“EEI”), a subsidiary of WSP Global, Inc. (“WSP”) since April 2017, and served as Executive Chairman from September 2018 until WSP completed its acquisition of EEI on December 31, 2019. Mr. Heinberg began his investment banking career in 1987 in the Corporate Finance Division of Oppenheimer & Co, Inc., which was acquired by Canadian Imperial Bank of Commerce (“CIBC”) in 1997. He served as Head of the Investment Banking Department and as a Senior Managing Director of Oppenheimer from 2008 until 2012, and as the Head of U.S. Investment Banking at CIBC World Markets from 2001 until 2008. Mr. Heinberg currently serves on the board of directors of ChannelAdvisors Corporation and Gaimed Pharmaceuticals Ltd. He also serves on the board of directors of Union Carbide Corporation, a subsidiary of The Dow Chemical Company. Mr. Heinberg received a BS in Economics from the Wharton School of Business at the University of Pennsylvania and a JD from Fordham Law School.

Bryan Kelln is a Partner at Platinum Equity and the President of Portfolio Operations, a group responsible for overseeing business strategy and operations at Platinum Equity’s portfolio companies. Mr. Kelln joined Platinum Equity in 2008. He works closely with the firm’s Operations Team and portfolio company executive management to drive strategic initiatives and to deploy operational resources. Prior to joining Platinum Equity, Mr. Kelln held senior operations roles at a number of companies including Nortek, Inc., Jacuzzi, Inc., RockShox, Inc. and General Cable Corporation. During a portion of this time, Mr. Kelln was an Operating Executive with The Jordan Company, a private investment firm, where he was involved in acquisitions, divestitures and operations for the firm and served as a board member of various portfolio companies. Mr. Kelln also previously served as a Partner in the Supply Chain Management Practice of Mercer Management Consulting. Mr. Kelln received his bachelor’s degree, summa cum laude, from Washington State University and a Masters of Business Administration from the Ohio State University, Fisher College of Business. Mr. Kelln is a former director of Verra Mobility Corporation.

Mr. Glatt joined Platinum Equity in 2008 and is currently a Managing Director. Mr. Glatt leads a team that is responsible for the structuring and execution of transactions as well as post-acquisition monitoring and oversight of operational performance at certain portfolio companies. Mr. Glatt currently oversees Platinum’s investments in United Site Services, Jostens, Hunterstown Power Generation and Electro Rent and previously had responsibility for overseeing Maxim Crane, The San Diego Union-Tribune, American Commercial Lines, PBH Marine Group, NESCO and BlueLine Rental. Prior to joining Platinum in 2008, Mr. Glatt worked in the M&A Group at CIBC World Markets in New York. Mr. Glatt received a Bachelor’s degree from the University of Pennsylvania and a MBA from Columbia University.

Mr. Wolf joined Platinum Equity in 2009 and is a Managing Director and the M&A Finance Lead of the firm’s East Coast deal team. Mr. Wolf is responsible for due diligence, underwriting, and execution of acquisition and divestiture transactions out of Platinum Equity’s flagship buyout funds in collaboration with other East Coast deal team leadership. Upon acquisition, Mr. Wolf works closely with acquired companies’ management teams to optimize financial operations. Mr. Wolf held past and holds current roles on the Operating Committees of all investments made out of Platinum Equity’s East Coast deal team since its inception. Prior to joining Platinum Equity, Mr. Wolf held senior roles at Ernst & Young for approximately 10 years in their Transaction Advisory Services practice in Chicago, Miami, and New York. At Ernst & Young, Mr. Wolf worked with various leading private equity and corporate clients, advising them on buy and sell side transactions and strategic projects. He is a Certified Public Accountant in the state of Illinois (license currently inactive) and received his bachelor’s degree in Accountancy from the University of Illinois at Champaign-Urbana.

Mr. Ross founded Custom Truck & Equipment, LLC (“CTE”), the predecessor to Custom Truck, in 1996 and was actively involved in all aspects of the specialty equipment business, including the entry into new markets and product categories, growing CTE to become one of the leading specialty equipment sales and rental companies. Mr. Ross was the Chief Executive Officer of CTE until affiliates of Blackstone purchased a majority interest in CTE in February 2015, along with several other entities, forming Custom Truck. Mr. Ross has served as the Chief Executive Officer of Custom Truck and a member of its board of directors since its acquisition by Blackstone.

Prior to her retirement in June 2019, Ms. Nelson was President and CEO of PTI Resources, LLC, an independent consulting firm, since 2005. Prior to this role, Ms. Nelson retired in 2005 from Edison International, where she had been President of Midwest Generation EME, LLC since 1999 and General Manager of Edison Mission Energy Americas since 2002. Her business responsibilities have included management of regulated and unregulated power operations and a large energy trading subsidiary as well as the construction and operation of power generation projects worldwide. She has had extensive experience in business negotiations, environmental policy matters and human resources. She has served as a director of Cummins Inc since 2004, Ball Corporation since 2006, TransAlta Corporation since 2014 and Sims Metal Management Limited since 2014. In December 2017, she retired as a director of CH2M Hill Companies Ltd., a privately-held company, where she had served as a director since 2010. She serves on the advisory committee of the Center for Executive Women at Northwestern University. In November 2012, Ms. Nelson was named to the 2012 National Association of Corporate Directors (NACD) Directorship 100 in recognition of exemplary leadership in the boardroom and promoting the highest standards of corporate governance. Ms. Nelson is an NACD Board Fellow. Ms. Nelson received a Bachelor’s degree from Pepperdine University and a MBA from the University of Southern California.

Mr. Samson is co-president of Platinum Equity and a member of its Investment Committee. Among his responsibilities, Mr. Samson leads the investment teams and manages the operations of the New York, Greenwich and London offices. In addition, Mr. Samson plays an active role in the management of the firm’s day-to-day activities as well as its strategic direction. Mr. Samson joined Platinum Equity in 2007. He oversees M&A transactions executed by his teams and, together with Platinum Equity’s Operations Team, also provides oversight to portfolio companies following their acquisition. Prior to joining Platinum Equity, Mr. Samson was a Managing Director in the Mergers & Acquisitions Group at CIBC World Markets, the investment banking subsidiary of the Canadian Imperial Bank of Commerce. Prior to his role at CIBC World Markets, Mr. Samson was a Mergers & Acquisitions attorney at Stikeman Elliot LLP, a Canadian law firm. Mr. Samson is a graduate of Ottawa University Law School and Le Petit Seminaire de Quebec College. Mr. Samson is a former director of PAE Inc.

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.

Vice Admiral Jackson retired in July 2020 after over three decades of service in the United States Navy. She began her career as a Surface Warfare Officer serving on and off Navy warships achieving command of USS McFAUL (DDG 74), an Arleigh Burke class destroyer. She subsequently went on to command the Navy’s largest Navy base, Naval Station Norfolk where she was the equivalent of a city manager or Mayor for a city with a population of 64,000 people, managing operational and service industries while managing the Navy’s relationship with local agencies, surrounding communities, regulators, and national media. Upon selection as a Flag Officer, Vice Admiral Jackson served in Shore installation Regional and Enterprise level (Navy Installations Command) assignments ultimately accountable for $7.5 billion and 53,000 personnel executing efficient and effective operational, material and personnel programs from facility management, utilities, port and air operations, security, crisis response, and Sailor/family support services (lodging, food services, childcare, fitness) for 71 Navy installations across 10 Regions providing global support to the Navy and Joint forces. Currently, Vice Admiral Jackson remains engaged through a portfolio of activities, including service as an Independent Director, consulting as an advisor to clients, and serving as a board member for the Greater Jacksonville Area USO and the Surface Navy Association. Additionally, she is the Chair of the Steven A. Cohen Military Family Clinic at Centerstone Jacksonville Advisory Council and serves on the Blue Star Families Racial Equity Committee. Vice Admiral Jackson holds a Bachelors Degree in Physics (Oceanography emphasis) from the United States Naval Academy and a Masters of Engineering Management from The George Washington University.

Mr. Bader has served as an adjunct professor at the Leventhal School of Accounting at the University of Southern California since January 2018. He was a partner in the New York office of Ernst & Young LLP until his retirement in 2016. Mr. Bader held several roles at Ernst & Young over the course of his career, including Partner in Charge of the NY International Tax Practice, Managing Partner of the NY Tax Practice, Managing Partner of Metro NY area, Vice Chair of the Americas M&A practice, Americas Private Equity practice and the Americas Director of Strategy. Mr. Bader spent the last seven years of his career at Ernst & Young consulting with digital media companies on their global operations. Mr. Bader currently serves on the board of directors and as a member of the nominating and governance committee, the compensation committee and the audit committee chair of Interior Logic Group. He has also served on the boards of Carnegie Hall, the Citizens Budget Commission, American Red Cross and PAE Inc. Mr. Bader received his B.S. in accounting and his M.A. in taxation from the University of Southern California. Mr. Bader is qualified to serve as a director due to his accounting expertise and significant experience advising public companies on accounting and financial reporting matters.

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.