Jaymie A. Durnan joined the SIGA Board of Directors in June 2020. He has served as the Deputy Assistant to the Director for Strategic Initiatives at the Massachusetts Institute of Technology Lincoln Laboratory, the nation’s premiere federally funded Department of Defense research, development and prototyping center, since September 2015. A member of the New York State Bar, he served from approximately 1992 through 1999 as a Senior Vice President and Special Counsel at MacAndrews & Forbes Holding Inc. Mr. Durnan has also served as a Product Line Manager at BAE Systems: a Partner at Radius Capital Partners, a private investment firm; and, as the Managing Member of Woodbury Hill Partners, LLC, a strategic advisory firm counseling companies from startup to the Fortune 200. His government service includes as a member of the Federal Senior Executive Service, where he served as a Special Assistant (Chief of Staff) to the Deputy Secretary of Defense and a Special Assistant to the Secretary of Defense in the President George W. Bush administration. He also served as the Senior Advisor to the Chief Technology Officer and Assistant Secretary of Defense for Research and Engineering in the Department of Defense in the President Barack Obama administration. A retired naval officer, he served as an aircraft carrier-based naval aviator; an operations analyst on the staff of the Chief of Naval Operations; an Aide to the Chief of Naval Operations; a member of staff of the Chairman of the Joint Chiefs of Staff supporting arms control negotiations; a Military Assistant to Director of the Office of Net Assessment where he pursued topics related to forecasting future capabilities and alternative security environments; and a Military Social Aide to the President of the United States. For his service, Mr. Durnan has received some of the highest Defense Department non-combat awards including, the Department of Defense Medal for Distinguished Public Service, and the Navy Distinguished Public Service Award presented by the Secretary of the Navy to a civilian for specific courageous or heroic acts or exceptionally outstanding service of substantial and long-term benefit to the Navy, Marine Corps or Department of the Navy. Mr. Durnan has served as a director or trustee for MacAndrews & Forbes Worldwide Corp.; Swift Prepaid Solutions; kSARIA Corp.; Orthozon Technologies; Defensewerx; Antioch New England University; and, Unity College. He is the Chairman of the Andrew W. Marshall Foundation. He is a graduate of the United States Naval Academy, Georgetown University, and the Georgetown University School of Law.

Harold Ford, Jr. joined the SIGA Board of Directors in November 2022.  He is a former five-term Tennessee Congressman and is currently a vice chair and EVP in PNC’s corporate and institutional banking business. Mr. Ford is also the chair and CEO of Empowerment & Inclusion Capital I Corporation (NYSE: “EPWR”) - a PNC sponsored mission-based special purpose acquisition company. Prior to joining PNC, Mr. Ford spent more than 10 years in investment banking with Merrill Lynch and Morgan Stanley. In addition, he was nonexecutive chair of Rx Saver, a patient directed prescription medication search engine platform.  Mr. Ford is also a co-host of “The Five” and is a frequent contributor to “Special Report with Bret Baier.” Mr. Ford earned a BA in history from the University of Pennsylvania and a JD from the University of Michigan.

Evan A. Knisely is the founder of Tides Group, LLC, a boutique corporate strategy and government relations consulting firm. Tides Group, LLC was founded in October 2020. Prior to establishing Tides Group, Mr. Knisely served between 2006 and 2020 as an executive with MacAndrews & Forbes Incorporated, a private diversified holding company with investments in publicly traded and privately held companies. Most recently, Mr. Knisely served as Executive Vice President, Government Affairs managing all federal public policy, regulatory, and political matters for MacAndrews & Forbes Incorporated and its affiliated companies. Preceding MacAndrews and Forbes, Mr. Knisely served for eight years as Vice President at Van Scoyoc Associates, Inc., a government relations firm. Mr. Knisely is a member of the Ford’s Theatre Board of Trustees; a past president of the Business-Government Relations Council; and sits on the Limited Partner Advisory Committee of Cobro Ventures Opportunity Fund, L.P. Mr. Knisely is a graduate of Tufts University.

Joseph W. “Chip” Marshall, III has served as a director of SIGA since early 2009. Mr. Marshall is the former President and Chief Executive Officer of Temple University Health System (2001-2008). In 2000, he became Chair of Temple University Health System and served in that capacity until 2007. Prior to 2000, Marshall was a founding partner at Goldman & Marshall P.C., Philadelphia, PA, a corporate healthcare law firm. He received his B.A. and J.D. degrees (1975 and 1979, respectively) from Temple University. In 1990, he joined the Temple University Board of Trustees. He was a founding member of the Temple University Health System Board of Directors in 1995. He served on the Pennsylvania State Ethics Commission in the 1980s and early 1990s, including as Chairman for a portion of that period. During 2005-2006, he served as a Member of the Federal Medicaid Commission. Additionally, during 2004-2006, he served as a Member of the Pennsylvania Gaming Control Board.

Julian Nemirovsky has served as a director of SIGA since December of 2020. He currently serves as Senior Vice President, Capital Markets at MacAndrews & Forbes, where he is responsible for managing all capital-structure matters relating to the firm’s portfolio companies and new investments. Prior to joining MacAndrews in 2020, he spent 9 years at MidOcean Credit Partners, where he held the title of Principal and Portfolio Manager. In that role, he was responsible for management of over $1 billion of assets across several opportunistic credit strategies including long/short hedge funds and illiquid credit drawdown funds. Prior to joining MidOcean in 2011, he was an Associate at Union Capital, a lower-middle market private equity firm. He began his career in 2006 as an Analyst in Goldman Sachs’ Leveraged Finance group within the Investment Banking division. Julian holds a BBA from Baruch College and an MBA from the Tuck School of Business (Dartmouth).

Diem Nguyen, Ph.D., began serving as Chief Executive Officer and as a Director in January 2024. Prior to joining SIGA, Dr. Nguyen joins SIGA from Xalud Therapeutics, a clinical stage biotechnology company developing treatments for inflammatory diseases, including pain associated with osteoarthritis, and neurodegenerative diseases, where she served as CEO. Prior to Xalud, Dr. Nguyen served as executive vice president of biopharma at PPD Inc., a leading global clinical research organization providing integrated drug development services. From 2009-2018, she served in several roles at Pfizer including global president, Americas, Pfizer Essential Health, where she was responsible for diverse commercial businesses in the U.S., Latin America, Canada, and Puerto Rico representing more than $11 billion in annual revenue. She earned a Ph.D. in biochemistry and molecular genetics at the University of Virginia, as well as an M.B.A. from Darden Graduate School of Business Administration.