Byron Roth has served as our Co-Chief Executive Officer since our inception in November 2020, Chairman of the Board since our inception in November 2020 until November 2021, when he became Co-Chairman of the Board alongside Mr. Lipman. Mr. Roth has been the Chairman and Chief Executive Officer of Roth since 1998. Under his management the firm has helped raise over $75 billion for small-cap companies, as well as advising on many merger and acquisition transactions. Mr. Roth is a co-founder and General Partner of three private investment firms: Rx3, LLC, an influencer fund focused on consumer brands, Rivi Capital, concentrated in the mining sector, and Aceras Life Sciences, LLC, an in-house incubator focused on funding the development of novel medical innovations. He also co-founded two long only asset management firms: Cortina Asset Management, recently acquired by Silvercrest Asset Management (NASDAQ: SAMG), and EAM Investors. Mr. Roth was the Chief Executive Officer and Chairman of the Board of Roth CH Acquisition I Co. (NASDAQ: ROCH) from February 2019 until March 2021, when Roth CH Acquisition I Co. closed its business combination with PureCycle Technologies LLC. He was the Chief Executive Officer and Chairman of the Board of Roth CH Acquisition II Co. (NASDAQ: ROCC) from February 2019 until July 2021, when Roth CH Acquisition II Co. closed its business combination with Reservoir Holdings, Inc. Mr. Roth is the Co-Chief Executive Officer and Chairman of the Board of Roth CH Acquisition III Co. (NASDAQ: ROCR), a special purpose acquisition company that has entered into a business combination agreement with BCP QualTek HoldCo, LLC pursuant to which Roth CH Acquisition III Co. will acquire BCP QualTek HoldCo, LLC. He is also the Co-Chief Executive Officer and Chairman of the Board of Roth CH Acquisition IV Co. (NASDAQ: ROCG), a special purpose acquisition company. Mr. Roth is a member of the Advisory Council, Executive Committee, and serves as the Chairman on the Nominating Committee for the Cornell SC Johnson College of Business. He is a founding member of the University of San Diego Executive Cabinet for the Athletic Department, and former member of the Board of Trustees where he served on the Investment Committee for the university’s endowment and athletic department for nine years. Mr. Roth also sits on the Executive Board of SMU’s Cox School of Business. Mr. Roth serves as Chair of the Pacific Region Board of Trustees and a National Trustee for the Boys and Girls Club of America, and served as the Co-Chair for the 2019 Boys and Girls Club Pacific Youth of the Year Competition. He is also the 2021 annual honoree for the Elephant Cooperation, a non-profit devoted to raising awareness of the African elephant crisis and supporting educational causes in Africa. Mr. Roth also sits on the Board of Directors for the Lott IMPACT Foundation, whose Lott IMPACT Trophy is presented annually to the college football defensive IMPACT player of the year for their contribution on and off the field. He was also the honoree at the Challenged Athletes Foundation (CAF) 2015 Celebration of Heroes, Heart and Hope Gala and the 2018 Athletes First Classic Golden Heart Award benefitting the Orangewood Foundation. Mr. Roth earned his BBA from the University of San Diego in 1985 and his MBA from the Cornell SC Johnson College of Business in 1987. Mr. Byron Roth is the brother of Mr. Gordon Roth.

John Lipman has served as our Co-Chief Executive Officer and as a member of our Board of Directors since our inception in November 2020, and as Co-Chairman of the Board since November 2021. Mr. Lipman is a Partner and Managing Director of Investment Banking at Craig-Hallum. Mr. Lipman joined Craig-Hallum in 2012 and has more than 15 years of investment banking experience advising growth companies in the healthcare, industrial, and technology sectors. Mr. Lipman has completed over 125 equity, convertible, and debt offerings and advisory assignments for growth companies - including over 75 since joining Craig-Hallum. Prior to joining Craig-Hallum, Mr. Lipman was a Managing Director at Rodman & Renshaw LLC from 2011 to 2012, a Managing Director at Hudson Securities, Inc. from 2010 to 2011, and Carter Securities LLC, a firm he founded that specialized in raising equity, equity-linked, and debt capital for growth companies, from 2005 to 2009. Mr. Lipman is the Co-Chief Executive Officer and a director of each of Roth CH Acquisition III Co. (NASDAQ: ROCR) and Roth CH Acquisition IV Co. (NASDAQ: ROCG). Mr. Lipman was the Chief Operating Officer and a member of the board of directors of Roth CH Acquisition I Co. (NASDAQ: ROCH) from December 2019 until March 2021 and Roth CH Acquisition II Co. (NASDAQ: ROCC) from August 2020 until July 2021. Mr. Lipman earned his B.A. in Economics in 1999 from Rollins College in Winter Park, FL.

Gordon Roth has served as our Chief Financial Officer since our inception in November 2020. Mr. Roth has been the Chief Financial Officer and Chief Operating Officer of Roth since 2000. From 1990 to 2000, Mr. Roth was the Chairman and Founder of Roth and Company, P.C., a thirty-five person public accounting firm in Des Moines, Iowa. Prior to that Mr. Roth spent thirteen years with Deloitte & Touche, most recently serving as a Tax Partner and the Partner-in-Charge of the Des Moines office Tax Department. Mr. Roth is a CPA and a member of the American Institute of CPA’s. Mr. Roth is the Chief Financial Officer of each of Roth CH Acquisition III Co. (NASDAQ: ROCR) and Roth CH Acquisition IV Co. (NASDAQ: ROCG). Mr. Roth was the Chief Financial Officer of Roth CH Acquisition I Co. (NASDAQ: ROCH) from December 2019 until March 2021 and Roth CH Acquisition II Co. (NASDAQ: ROCC) from February 2019 until July 2021. Mr. Roth used to serve on the Board of Trustees of JSerra Catholic High School, and was the Chair of the Budget & Finance Committee. Mr. Roth has served on several other non-profit boards in the past including Boys & Girls Club, Special Olympics, Camp Fire and St Anne School. Mr. Roth was also a founding partner of the Iowa Barnstormers of the Arena Football League. Mr. Roth earned his B.A. from William Penn University in 1976, where he also served as a member of their Board of Trustees and was inducted into their Athletic Hall of Fame. Mr. Roth also earned a Master of Science in Accounting from Drake University in 1977. Mr. Gordon Roth is the brother of Mr. Byron Roth.

Rick Hartfiel has served as our Co-President since our inception in November 2020. Mr. Hartfiel is a Managing Partner and has been the Head of Investment Banking at Craig-Hallum since 2005. Mr. Hartfiel brings over 30 years of investment banking experience focused on emerging growth companies. Since joining Craig-Hallum in 2005, Mr. Hartfiel has managed over 300 equity offerings (IPOs, follow-on offerings, registered direct offerings and PIPEs) and M&A transactions. Prior to joining Craig-Hallum, Mr. Hartfiel was an investment banker at Dain Rauscher Wessels and Credit Suisse First Boston. Mr. Hartfiel is the Co-President of each of Roth CH Acquisition III Co. (NASDAQ: ROCR) and Roth CH Acquisition IV Co. (NASDAQ: ROCG). Mr. Hartfiel was the President from December 2019 to February 2020, and the Co-President from February 2020 until March 2021, of Roth CH Acquisition I Co. (NASDAQ: ROCH) and Co-President from August 2020 until July 2021 of Roth CH Acquisition II Co. (NASDAQ: ROCC). Mr. Hartfiel has a B.A. from Amherst College, and an MBA from Harvard Business School.

Aaron Gurewitz has served as our Co-President since our inception in November 2020. Mr. Gurewitz has been a Managing Director and the Head of Roth’s Equity Capital Markets Department since January 2001. Mr. Gurewitz brings over 25 years of investment banking experience focused on growth companies. Since joining Roth in 1999, Mr. Gurewitz has managed over 1,000 public offerings including, but not limited to, IPOs and follow-on offerings. Prior to joining Roth in 1999, Mr. Gurewitz was a Senior Vice President in the Investment Banking Group at Friedman Billings Ramsey from May 1998 to August 1999. From 1995 to April 1998, Mr. Gurewitz was a Vice President in the Corporate Finance Department at Roth, and from 1999 to 2001, Mr. Gurewitz served as a Managing Director in Roth’s Investment Banking Department. Mr. Gurewitz is the Co-President of each of Roth CH Acquisition III Co. (NASDAQ: ROCR) and Roth CH Acquisition IV Co. (NASDAQ: ROCG). Mr. Gurewitz was the Co-President of Roth CH Acquisition I Co. (NASDAQ: ROCH) from February 2020 until March 2021 and Roth CH Acquisition II Co. (NASDAQ: ROCC) from August 2020 until July 2021. Mr. Gurewitz graduated cum laude from San Diego State University with a B.S. in Finance.

Andrew Costa has served as our Co-Chief Operating Officer since July 2021. Mr. Costa is the Chief Investment Officer and a Managing Director at Roth Capital Partners, LLC. Mr. Costa joined Roth Capital Partners in 2021. Prior to joining Roth Capital Partners, Mr. Costa was a Vice President in the Investment Banking Division at Morgan Stanley where he led numerous landmark M&A and equity transactions in the retail and eCommerce sectors. Prior to Morgan Stanley, Andrew was an Investment Banker at J.P. Morgan, and prior to that, served as a Captain in the U.S. Air Force. Mr. Costa is the Co-Chief Operating Officer of Roth CH Acquisition IV Co. (NASDAQ: ROCG). Mr. Costa is also a Board member of Kroma Wellness PBC, a private, direct to consumer wellness brand. Mr. Costa graduated from the U.S. Air Force Academy with a B.S. in Systems Engineering Management and earned an MBA from USC’s Marshall School of Business.

Matthew Day has served as our Co-Chief Operating Officer since July 2021. Mr. Day is a Managing Director in the Investment Banking department at Roth Capital Partners with a focus on Business Services and Technology. Prior to joining Roth in 2019, Mr. Day spent 12 years as a senior equity analyst at Sagard Capital Partners, an investment firm that built and managed large minority positions in U.S. and Canadian publicly traded companies. At Sagard, Mr. Day focused primarily on businesses in the business services, industrial and consumer sectors. Prior to this role, he was a senior equity analyst and private equity associate at Xylem Investments from 2002 to 2006, where he served on boards of three private forestry companies in New Zealand, Chile and Venezuela. From 2000 to 2002, Mr. Day was an investment banking associate at Lehman Brothers in the global technology group. He also worked as an associate and analyst at Barclays Capital from 1995 to 1999, where he focused on the telecom, media and transportation industries. Mr. Day is the Co-Chief Operating Officer of Roth CH Acquisition IV Co. (NASDAQ: ROCG). Mr. Day has a B.S. in Finance from Boston College and an MBA from the University of California Berkeley Haas School of Business.

Ryan Hultstrand joined Craig-Hallum Capital Group LLC in 2013, and has been a Managing Director in the Investment Banking department since January 2022. Mr. Hultstrand was previously a Vice President of Craig-Hallum Capital Group LLC from January 2018 until January 2022. Mr. Hultstrand has over 10 years of experience in investment banking and consulting in the healthcare, consumer, industrial and technology sectors, with a focus on SPACs. Mr. Hultstrand has a B.A. from Carleton College. Craig-Hallum Capital Group LLC acted as a joint-book running manager, together with Roth Capital Partners, LLC, in the Company’s initial public offering. The company has also engaged Craig-Hallum Capital Group LLC and Roth Capital Partners, LLC as advisors in connection with the Company’s initial business combination. The Company will pay Craig-Hallum Capital Group LLC and Roth Capital Partners, LLC a fee for such services upon the consummation of the Company’s initial business combination in accordance with the business combination marketing agreement among the Company, Craig-Hallum Capital Group LLC and Roth Capital Partners, LLC entered into in connection with the Company's initial public offering.

Joseph Tonnos will serve as Chief Investment Officer and has been a Managing Director at Roth Capital Partners since April of 2023. Mr. Tonnos has over 13 years of experience investing in and advising acquisition candidates, completing due diligence, financial modeling and deal structuring. Mr. Tonnos also serves as Chief Investment Officer of Roth CH Acquisition Co. From 2021 to 2023, Mr. Tonnos served as a Principal and Associate Portfolio Manager at Meteora Capital, an investment adviser specializing in SPAC-related, structured and illiquid investments and was the Chief Financial Officer of GSR II Meteora Acquisition Corp., a SPAC sponsored by Meteora which completed a business combination with Bitcoin Depot, Inc. During 2021, Mr. Tonnos also served as an Associate Portfolio Manager at Glazer Capital. From 2017 until 2021, Mr. Tonnos worked at Mistral Equity Partners, a consumer & retail focused investment group as a Principal. From 2017 until 2022, Mr. Tonnos served as the Senior Vice President of Haymaker I, II, and III, three special purpose acquisition companies affiliated with Mistral Equity Partners. Haymaker I, II and III all successfully completed business combinations with OneSpaWorld Ltd., ARKO Holdings Ltd. and Biote Corp. respectively. His experience spans evaluating, executing, structuring and monitoring public, private and venture capital investments. He has advised companies and shareholders on capital raising, mergers, acquisitions, divestitures, leveraged buyouts and capital structure alternatives. Mr. Tonnos is also the Co-Founder of Ketch Ventures, an early-stage consumer investment syndicate. In the last five years he served or continues to serve on the several boards, including Worldwise, Inc., a privately held pet products company, Los Sundays Tequila, a lifestyle beverage company, and Aether Diamonds, a carbonnegative diamond producer, among others. Mr. Tonnos has also been a board observer of The Lovesac Company, Inc. (NASDAQ: LOVE) from 2017 until 2021 and serves on the Board of Advisors at Niagara University. Prior to Mistral, Mr. Tonnos served as an investment banker at Bank of America Merrill Lynch and Lazard and as a foreign exchange trader at CIBC Capital Markets. Mr. Tonnos received his B.S. and M.B.A. from Niagara University, graduating magna cum laude.