Greg Duncan is the Chief Executive Officer and Chairman of the Board of Directors of Virios Therapeutics. Previously, Mr. Duncan was President and Chief Executive Officer of Celtaxsys, Inc., a privately held biotech company focused on developing anti-inflammatory medicines for rare disease where he scaled the required capital to build out the organizational capability to advance both pre- clinical and clinical development candidates. Prior to Celtaxsys, he served as an Executive Committee member at Belgium based UCB, a specialty pharma entity developing and commercializing medicines for immunologic and central nervous system disorders.

Before joining UCB, Mr. Duncan, while at Pfizer held several executive U.S. and international appointments, including President of Pfizer’s $2B Latin America Operations and SVP of Marketing. His operational teams had accountability for the launches of many pharmaceutical brands including Lipitor, Zoloft, Viagra, Celebrex, Aricept, Lyrica, Cimzia, Zithromax (ZPack), Diflucan, Sutent, Rebif and Vimpat. Mr. Duncan has served as director for Biotie Therapeutics, the American Psychiatric Foundation, Bio International Organization (BIO), Southeast BIO (SEBIO and the Georgia Bio industry association groups. Greg holds a master’s degree in business administration from Emory University in Atlanta, GA, and a bachelor’s degree in economics from the State University of New York in Albany, NY.