Mark J. Alvino became an Abeona director on March 26, 2021 and chairs the Compensation Committee and serves on the Audit Committee (which he chaired until April 2026); he had previously served on the Board from March 2006 to April 2020. He is the founder and Chairman of CircumferenceDx, a molecular diagnostics company he established in 2025, and has been President of Hudson Square Capital LLC since October 2014. From 2007 to 2013 he was Managing Director at Griffin Securities, and earlier he was Senior Vice President at Feinstein Kean Healthcare (an Ogilvy Public Relations Worldwide company) and Vice President of Investor Relations at Allen & Caron, Inc. He has also worked with Wall Street brokerages including Ladenburg Thalmann & Co. and Martin Simpson & Co.