Lindsay A. Rosenwald, M.D.

Lindsay A. Rosenwald, M.D.

Chairman, President and Chief Executive Officer

Dr. Rosenwald has served as a member of the Board of Directors since October 2009 and as Chairman, President and Chief Executive Officer of the Company since December 2013. Dr. Rosenwald also serves as a director of Mustang Bio, Inc., Chairman of the Board of Directors of Avenue Therapeutics, Inc., and a director of Checkpoint Therapeutics, Inc. From November 2014 to August 2015, he served as Interim President and Chief Executive Officer of Checkpoint Therapeutics, Inc. From 1991 to 2008, Dr. Rosenwald served as the Chairman of Paramount BioCapital, Inc. Over the last 25 years, Dr. Rosenwald has acted as a biotechnology entrepreneur and has been involved in the founding and recapitalization of numerous public and private biotechnology and life sciences companies. Dr. Rosenwald received his B.S. in Finance from Pennsylvania State University and his M.D. from Temple University School of Medicine.

Michael S. Weiss

Michael S. Weiss

Executive Vice Chairman, Strategic Development

Mr. Weiss has served as our Executive Vice Chairman, Strategic Development since February 2014. Mr. Weiss also serves as Executive Chairman of the Board of Directors of Mustang Bio, Inc. and Chairman of the Board of Directors of Checkpoint Therapeutics, Inc. Since December 2011, Mr. Weiss has served in multiple capacities at TG Therapeutics, Inc. and is currently its Executive Chairman, Chief Executive Officer and President. Mr. Weiss earned his J.D. from Columbia Law School and his B.S. in Finance from the University at Albany. He began his professional career as a lawyer with Cravath, Swaine & Moore LLP. In 1999, Mr. Weiss founded Access Oncology which was acquired by Keryx Biopharmaceuticals (NASDAQ: KERX) in 2004. Following the merger, Mr. Weiss remained as Chief Executive Officer of Keryx.

Eric K. Rowinsky, M.D.

Eric K. Rowinsky, M.D.

Co-Vice Chairman and Director

Dr. Rowinsky has served as Co-Vice Chairman of the Board of Directors and a consultant to the Company since October 2010. Dr. Rowinsky has served as the Executive Chairman and President of Rgenix, Inc. since November 2015. He served as Executive Vice President, Chief Medical Officer and Head of Research and Development of Stemline Therapeutics, Inc., a clinical-stage biopharmaceutical company, from November 2011 until October 2015. Prior to joining Stemline, Dr. Rowinsky was co-founder and Chief Executive Officer of Primrose Therapeutics, Inc., a start-up biotechnology company, from June 2010 until its acquisition in September 2011. He also served as a drug development and regulatory strategy consultant to the ImClone-Lilly Oncology Business Unit and several other biopharmaceutical and life sciences companies from 2010 to 2011. From 2005 to 2009, Dr. Rowinsky was Executive Vice President and Chief Medical Officer of ImClone Systems Incorporated, where he led the FDA approval of Erbitux® for head and neck and colorectal cancers and advanced eight other monoclonal antibodies through clinical development. From 1996 to 2004, Dr. Rowinsky held several positions at the Cancer Therapy and Research Center, including Director of the Institute of Drug Development, or IDD, and the SBC Endowed Chair for Early Drug Development at the IDD. From 1996 to 2006, he was a Clinical Professor of Medicine at the University of Texas Health Science Center at San Antonio. From 1988 to 1996, Dr. Rowinsky was an Associate Professor of Oncology at the Johns Hopkins University School of Medicine. He was a longstanding National Cancer Institute principal and co-principal investigator from 1990 to 2004 and was integrally involved in pivotal clinical and preclinical investigations that led to the development of numerous cancer therapeutics, including paclitaxel, docetaxel, topotecan, irinotecan, erlotinib, gefitinib and temsirolimus among others. Dr. Rowinsky is currently an Adjunct Professor of Medicine at New York University School of Medicine and he sits on the boards of directors of Biogen Inc. and Verastem Inc., both publicly traded clinical-stage biopharmaceutical and life science companies. Over the last five years, he has also served on the board of directors of BIND Therapeutics, Inc., a publicly-traded biopharmaceutical and life-science company that was acquired by Pfizer, Inc. in 2016 and, until March 2018, Navidea Biopharmaceuticals, Inc. Dr. Rowinsky received his M.D. from Vanderbilt University School of Medicine. He completed his residency in internal medicine at the University of California, San Diego and completed his fellowship in medical oncology at Johns Hopkins Oncology Center. Dr. Rowinsky received his B.A. from New York University.

Jimmie Harvey, Jr., M.D.

Jimmie Harvey, Jr., M.D.

Director

Dr. Harvey has served as a member of the Board of Directors since December 2008. In 1984, Dr. Harvey founded Birmingham Hematology and Oncology Associates, L.L.C. (now Alabama Oncology, L.L.C.), a private medical company located in Birmingham, Alabama. Dr. Harvey has experience in clinical trial execution and management and has recently been a principal investigator in two trials, one investigating a novel monoclonal antibody and the other investigating a small molecule used to treat immunologic malignancies. Dr. Harvey holds a B.A. in chemistry from Emory University and received his M.D. from Emory University School of Medicine. Dr. Harvey completed his medical oncology training at the Vincent T. Lombardi Cancer Center at Georgetown University.

Malcolm Hoenlein

Malcolm Hoenlein

Director

Mr. Hoenlein has served as a member of the Board of Directors since February 2014. Since 1986, Mr. Hoenlein has served as Chief Executive Officer and Executive Vice Chairman of the Conference of Presidents of Major American Jewish Organizations, the coordinating body on international and national concerns for 51 national American Jewish organizations. Previously, he served as the founding Executive Director of the Jewish Community Relations Council of Greater New York. Prior to that, he was the founding Executive Director of the New York Conference on Soviet Jewry. A National Defense Fellow at the Near East Center of the University of Pennsylvania, Mr. Hoenlein taught International Relations in the Political Science Department and served as a Middle East specialist at the Foreign Policy Research Institute. In addition, he served on the editorial staff of ORBIS, the Journal of World Affairs. He serves currently as a director of DarioHealth Corp, WellSense Technology, Delek Oil and Nanox Technology. He previously served as a director for Eco-Fusion North America, Inc., and Powermat USA. Mr. Hoenlein has a B.A. in Political Science from Temple University and an M.A. in International Relations from the University of Pennsylvania, as well as an Hon. LL.D. from Touro College, an Hon. D.H.L. from Yeshiva University, an Hon. D.H.L. from Temple University and an Hon. D.H.L. from Bar Ilan University.

Dov Klein

Dov Klein

Director

Mr. Klein has served as a member of the Board of Directors since July 2015. Since January 2016, Mr. Klein has been an audit partner at Marks Paneth LLP. Prior to that Mr. Klein was an audit partner at RSSM CPA LLP, a certified public accountant and strategic advisor firm, which he joined in 2001. His practice focuses on audits and reviews and compilation of financial statements for clients in various industries. Mr. Klein also consults on matters in litigation and conducts financial due diligence in mergers and acquisitions, as well as business planning for growing businesses. Mr. Klein has been a certified public accountant since 1978 and is a member of the American Institute of Certified Public Accountants and the New York State Society of Certified Public Accountants. Mr. Klein received his B.S. in Accounting from Brooklyn College, the City University of New York.

J. Jay Lobell

J. Jay Lobell

Director

Mr. Lobell has served as a member of the Board of Directors since June 2006. Mr. Lobell is CEO and co-founder of GMF Capital, LLC, which he co-founded in January 2016, and is a Senior Consultant and serves on the board of directors of Meridian Capital Group, LLC, a commercial real estate mortgage company, which he joined in January 2010. Mr. Lobell was also a founder of Beech Street Capital, LLC, a real estate lending company, serving as its Vice Chairman from December 2009 until the company's sale to Capital One Financial Corporation in November 2013. From January 2005 to December 2009, Mr. Lobell served as President and Chief Operating Officer of Paramount Biosciences, LLC (“PBS”), a private biotechnology investment and development company. In that capacity, he had substantial responsibility for the assembly and oversight of companies PBS founded and incubated, including the Company and Asphelia Pharmaceuticals, Inc. Mr. Lobell currently serves on the board of directors of Sava Senior Care and Tender Touch Rehabilitation Services, both private companies. He previously served on the board of directors of NovaDel Pharma Inc., Innovive Pharmaceuticals, Inc. and Chem Rx Corporation (a private company). Mr. Lobell was a partner in the law firm Covington & Burling LLP from October 1996 through January 2005, where he advised companies and individuals as a member of the firm's securities litigation and white-collar defense practice group. Mr. Lobell received his B.A. (summa cum laude, Phi Beta Kappa) from The City University of New York and his J.D. from Yale Law School, where he was senior editor of The Yale Law Journal.

Kevin L. Lorenz, J.D.

Kevin L. Lorenz, J.D.

Director

Mr. Lorenz has served as a member of the Board of Directors since August 2019. Since 2015, Mr. Lorenz has been Chief Investment Officer, Senior Vice President, Treasury & Private Investments at the Katz Group in the family office of Daryl Katz, which has operations in sports and entertainment, real estate and public and private investments. Mr. Lorenz works directly with the principal to oversee the design, implementation and monitoring of the overall investment strategy for public and private passive investments. Prior to joining the Katz Group, Mr. Lorenz was Director, Ultra High Net Worth (UHNW) Private Client Business at Credit Suisse Securities, LLC, where he was selected to expand Credit Suisse's UHNW private client business into Canada. From 2004 to 2009, Mr. Lorenz was the Director, UHNW Management Group at UBS Financial Services, Inc., where he was a key contributor to the formation and build out of the company’s first dedicated UBS UHNW office. Earlier in his career, he held positions of increasing responsibility at Merrill Lynch Pierce Fenner & Smith, Inc. and the Office of the Comptroller of the Currency, an independent bureau within the U.S. Department of the Treasury that charters, regulates and supervises all national banks and thrift institutions. Mr. Lorenz holds a J.D. from George Mason University Antonin Scalia Law School, an M.B.A. from Benedictine University and a B.S. in economics from Illinois State University.