Douglas W. Calder

Douglas W. Calder has served as a director of our Company since April 2023. Since 2015, Mr. Calder has served as president and a director of Vycellix, Inc and its subsidiaries and affiliates. He has also served as a member of the board of directors for NextGenNK since June 2019; member of the board of directors of BioFlorida since January 2019, and a member of the Society for Natural Immunity since July 2018, and as an independent director for Revovaro, Inc. (Nasdaq: RENB) since October 2024. Mr. Calder has more than 30 years of life science executive experience, having served in various senior executive roles for Florida-based biotechnology companies and research institutes including Viragen, Accentia Biopharmaceuticals, Biovest International and the Vaccine & Gene Therapy Institute of Florida, as well as having formerly served as a registered financial portfolio manager with a focus on life science equities with the New York Stock Exchange member firms, Gruntal & Co. and Dean Witter Reynolds. Mr. Calder received a BA from Florida State University.