Rahul D. Ballal, Ph.D., has served as a member of the Company's board of directors since June 2018. Since February 2023, Dr. Ballal has served as Chief Executive Officer of Mediar Therapeutics. Prior to the Merger, until February 23, 2023, Dr. Ballal served as the Company's President and Chief Executive Officer. Prior to joining the Company, Dr. Ballal served as Chief Business Officer of Northern Biologics Inc., a biotechnology company, from May 2016 to June 2018, and as an Entrepreneur-in-Residence at Versant Ventures Management LLC, a life sciences venture capital firm, from May 2016 to June 2018. Previously, Dr. Ballal was Vice President, Business Development at Flexion Therapeutics, Inc. (Flexion), a public biopharmaceutical company, from March 2011 to May 2016. Prior to Flexion, he held a venture fellowship position at Novartis Venture Funds, a venture capital fund, as part of the Kauffman Fellowship, from June 2010 to June 2012, and overlapped in business development at the Broad Institute of Massachusetts Institute of Technology, a biomedical and genomic research center, from September 2009 to March 2011. Dr. Ballal has served on the board of Agios Pharmaceuticals Inc., a biopharmaceutical company, since August 2022. He holds a Ph.D. in biochemistry and molecular biology from Georgetown University, an M.S. in biotechnology from Johns Hopkins University and a B.A. in biology from Brown University. Dr. Ballal is qualified to serve on the Company's board of directors because of the perspective and experience he provides as the Company's former President and Chief Executive Officer and as a member of its board of directors and his experience as an executive of companies in the life sciences industry.