Department: Leadership

  • Ashley Zuniga, PhD, PMP

    Ashley Zuniga, PhD, PMP

    Ashley joined the GeoVax team in 2022, bringing 12+ years of experience leading and developing projects in industry, academia, and non-profit settings. Upon completion of her graduate studies, she went directly into technical project management at Q2 Solutions, an IQVIA company, directly prior to joining GeoVax. She brings a combination of specialized immunology expertise in inflammatory…

  • Jeff Welch

    Jeff Welch

    Jeff is a seasoned pharmaceutical bioprocessing & manufacturing executive with over 25+ years of experience in all aspects of biopharmaceutical development and manufacturing process development in cGMP and non-cGPM settings. Prior to his engagement with GeoVax starting in 2022, he held leadership positions with Emergent Biosolutions and Human Genome Sciences where he led the development…

  • John W. Sharkey, PhD

    John W. Sharkey, PhD

    With 30+ years in the pharmaceutical and medical device industry, Dr. Sharkey possesses extensive experience in executive management, business development, pharmaceutical and medical device development, regulatory affairs and manufacturing operations covering multiple therapeutic segments. Dr. Sharkey has been a key contributor to the development, acquisition, or divestment of multiple products with annual revenues ranging from…

  • Mark W. Reynolds

    Mark W. Reynolds

    Mark joined GeoVax in 2006 and currently serves as the Company’s Chief Financial Officer. Prior to joining GeoVax, he served as Chief Financial Officer for HealthWatchSystems, Inc. a privately held company in the consumer healthcare industry; Chief Financial Officer for Duska Therapeutics, Inc., a publicly held biotechnology company; Chief Financial Officer of CytRx Corporation, a…

  • Senthil Ranganathan, PhD

    Senthil Ranganathan, PhD

    Dr. Ranganathan comes to GeoVax with over twenty years of experience in the biopharmaceutical industry. He has held CMC leadership roles at big pharma and small biotech, including National Resilience, Athersys Inc, Zymeworks, Lundbeck Biopharmaceuticals, AGC Biologics, Merck & Co and Bayer. Dr. Ranganathan’s experience spans the full development lifecycle of biological products-from early development…

  • Erica Raiden

    Erica Raiden

    Erica Raiden brings over thirty years of experience in project management, clinical research, and drug development. She has held positions of increasing responsibility supporting both the government and industry sectors, which is complimented by a unique blend of Sponsor and CRO experience. Upon joining GeoVax in 2022, Erica oversees the operational aspects of the company’s…

  • J. Marc Pipas, MD

    J. Marc Pipas, MD

    Dr. Pipas is a medical oncologist who received his MD at SUNY-Health Science Center, Syracuse. He completed a residency in Internal Medicine at the Medical University of South Carolina in Charleston and a fellowship in Hematology/Oncology at Dartmouth. Following his training, he joined the faculty at Dartmouth Medical School and Dartmouth-Hitchcock Medical Center/Cancer Center. During…

  • Sreenivasa R. Oruganti, PhD

    Sreenivasa R. Oruganti, PhD

    Sreenivasa joined GeoVax in 2020 with twenty years of research experience in molecular cell biology and immunology. Under the mentorship of Dr. Thomas Grundstrom at Umea University (Sweden), he completed a Ph.D. in Molecular Biology on the regulation of NF-kB transcription factor by calcium signaling in T cells. In 2011, he pursued postdoctoral training in…

  • Thomas O’Brien

    Thomas O’Brien

    Bringing twenty-nine years of quality assurance experience in biologics, vaccines, personalized medicine, and cell therapy Quality Assurance and Quality Control, Tom joined GeoVax in 2023. He has held roles in Quality management, QC laboratory management and testing with several biopharmaceutical organizations including Vedanta Biosciences, Genocea Biosciences, Shire, Wyeth and Pfizer.  Tom brings broad expertise in the…

  • John Niles

    John Niles

    John brings 4 decades of healthcare experience working in the pharmaceutical and medical device industries, as well as the clinical research and development sector. He has held senior positions in marketing, strategic planning, business development and general management. Prior to joining GeoVax in 2021 as the Head of Commercial Development & Operations, his most recent…

  • Mark J. Newman, PhD

    Mark J. Newman, PhD

    Dr. Newman has over 35 years of experience in the biotechnology sector, serving in senior management roles at several companies, including GeoVax (Atlanta, GA), PaxVax (San Diego, CA), Pharmexa (Horsholm, Denmark), Epimmune (San Diego, CA), Vaxcel (Atlanta, GA), Apollon (Philadelphia, PA), and Cambridge Biotech (Boston, MA). In these roles, he led research, development, and early-stage…

  • Kelly T. McKee, Jr., MD, MPH

    Kelly T. McKee, Jr., MD, MPH

    Dr. McKee has more than 35 years of experience in research and development from the bench to the bedside, with specific expertise in vaccines, emerging diseases, biodefense, and respiratory viral infections. After a 20 year career in the US Army, during which he held a variety of leadership roles in virology, immunology, preventive medicine, and…