Mr. Grinberg has served as Chairman of the Board of Directors since February 2017 and as a member of the Board of Directors since April 2004. Mr. Grinberg brings to the Board extensive executive management, operational, M&A, capital raising, accounting and financial reporting expertise. Mr. Grinberg currently serves as the President of PG Mountain Capital, a company which provides consulting and advisory services to private equity and venture capital and credit firms and their related businesses. Mr. Grinberg also serves as the Chief Executive Officer (“CEO”) and Chairman of Mountain Lake Acquisition Corp II. He also serves as Chairman and independent director of Coinshares PLC (Nasdaq: CSHR), independent director at Avalanche Treasury Company (Nasdaq: AVAT), and independent director at RMG ML Sports Holding (Nasdaq: SHOT), a special purpose acquisition corporation formed to effect a business combination with one or more businesses. Mr. Grinberg previously served as CEO of Mountain Lake Acquisition Corp I (Nasdaq: MLAC), a special purpose acquisition corporation, which merged into AVAT. He also previously served as Chairman of Social Leverage Acquisition Corp I (NYSE: SLAC), a special purpose acquisition company formed to effect a business combination with one or more businesses. Mr. Grinberg also previously served as an executive with Encore Capital Group (NASDAQ: ECPG), an international specialty finance company with operations in fifteen countries, from September 2004 through December 2018. His most recent position was President, International, overseeing Encore’s International operations. Before that, he served as Group Executive, International and Corporate Development and Executive Vice President and Chief Financial Officer. Prior to joining Encore, Mr. Grinberg served as President of Brio Consulting Group, a company he founded that provided financial strategy and consulting services to private equity and venture-backed companies. Before that, Mr. Grinberg served as Chief Financial Officer of Stellcom, Inc., a systems integration firm focused on providing mobile and wireless engineering solutions to Fortune 1000 companies, and as Executive Vice President and Chief Financial Officer of TeleSpectrum Worldwide, Inc., a publicly traded company that provided outsourced call center solutions to Fortune 500 companies. Mr. Grinberg began his career at Deloitte & Touche LLP, ultimately becoming a partner in the firm’s Merger and Acquisition Services Group. Mr. Grinberg earned a MBA (graduating Beta Gamma Sigma) from Columbia University and a bachelor’s degree in accounting (graduating magna cum laude) from Yeshiva University.