Leadership, oversight and accountability

Jaymes Winters

Chairman and Chief Executive Officer

CEO of Solidion Technology since 2024, with more than 15 years of chief-executive experience across oil and gas, telecommunications and retail, plus extensive M&A background. Previously Chairman and Chief Executive Officer of Nubia Brand International Corp., a Special Purpose Acquisition Company (NASDAQ | NUBI) from 2021 to 2024. He has directed and negotiated four private-equity-backed M&A transactions and taught business strategy, M&A and venture capital for over nine years as an adjunct professor at Portland State University. He is a graduate of Oregon State University with a degree in Business and a minor in economics.

Mark N. Schwartz

Lead Independent Director

Mr. Schwartz is a public and private company chief executive officer, chief financial officer and director with extensive experience in corporate finance, initial public offerings, SEC reporting, mergers and acquisitions, and financial strategy across multiple industries. He currently serves as a director and Audit Committee Chair of Onfolio Holdings, Inc. and as a director of Avicanna and the StartEngine Growth Tech Fund. He previously served on the board of directors of Starbucks Corporation. He holds an M.B.A. from Harvard Business School and a B.A. from Claremont McKenna College.

Dr. Bor Jang

Board Member

Dr. Jang co-founded Honeycomb Battery Company in 2015, AEC in 2012, Angstron Materials in 2007 and Global Graphene Group in 2016. He earned his Master's and Ph.D. degrees in Materials Science from MIT and formerly served as Dean of the College of Engineering and Computer Science at Wright State University. He was a Fulbright Scholar and Visiting Professor at the University of Cambridge and was elected to the U.S. National Academy of Inventors in 2019. He has more than 800 patents to his credit and filed the world's first graphene patent application in 2002.

Karin-Joyce Tjon

Independent Board Member · Audit Committee Chair

Ms. Tjon has served as a director since the closing of the company's IPO. She has served as a director of Volcon, Inc. and Kaleyra, Inc. and previously served as Chief Financial Officer of Alorica, Inc., President and Chief Operating Officer of Scientific Games, and Executive Vice President and Chief Financial Officer of Epiq Systems. Earlier, she held several C-level posts at Alvarez & Marsal, advising global clients on restructuring, planning, negotiations, audit and regulatory compliance. She holds an M.B.A. from Columbia Business School and a bachelor's degree in Organizational Behavior from Ohio University.

John Davis

Independent Board Member · Nominating & Governance Committee Chair

Since 2022, Mr. Davis has served as President of BTECH, Inc., a battery monitoring technology company. From 2021 to 2022, he served as Chief Operating Officer of Primet Precision Materials, a lithium battery cathode materials company. He previously served as Chief Operating Officer of Global Graphene Group and as Senior Vice President of Operations for BrightVolt, a solid-state lithium battery company. He received a B.S. in Chemical Engineering and an M.B.A. from the Illinois Institute of Technology.

Kimi L. Ellen, CPA

Independent Board Member

Ms. Ellen is Managing Partner and Chief Executive Officer of Benford Brown & Associates, LLC and brings extensive expertise in audit, internal controls, financial reporting, risk assessment and governance. She is a Certified Public Accountant and an NACD Certified Director, and serves on the American Institute of CPAs Council and the Governmental Accounting Standards Advisory Council. She was named to Forbes' Top 200 CPAs in the U.S. in 2024 and 2025 and to 50 Women to Watch for Boards in 2025. She holds a B.S. in Accountancy from the University of Illinois and qualifies as an audit committee financial expert under SEC rules.

Dante W. Robinson, CPA

Independent Board Member

Mr. Robinson is a financial and audit leader with more than three decades of experience in finance and audit. He serves as Chief of Internal Affairs at State Compensation Insurance Fund, one of California's largest workers' compensation insurers. He is a Certified Public Accountant, an experienced Audit Committee Chair and an NACD Board Leadership Fellow. He holds a B.S. in Business Administration with an emphasis in accounting and finance from the University of California, Berkeley, and qualifies as an audit committee financial expert under SEC rules.