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 he 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.

R. Michael Gendreau, M.D., Ph.D. is the Chief Medical Officer of Virios Therapeutics. Dr. Gendreau has been a healthcare consultant specializing in biotechnology for Gendreau Consulting, LLC. He received his B.S. in chemistry from Ohio University and his M.D./Ph.D. in medicine and pharmacology from The Ohio State University College of Medicine. Before starting his own consulting firm, Dr. Gendreau worked at Cypress Bioscience, Inc. holding various positions including Vice President of Research and Development and Chief Medical Officer. Before joining Cypress Bioscience, Inc., Dr. Gendreau was Vice President of Research and Development and Chief Medical Officer for MicroProbe Corporation, a developer and manufacturer of DNA/RNA probe-based diagnostic products.

Ralph Grosswald has 25 years of experience developing innovative drugs and medical devices. Previously, Mr. Grosswald was a founder and Vice President of Operations at Celtaxsys, Inc. where he managed operations, nonclinical development and clinical trials of acebilustat for the treatment of cystic fibrosis. Prior to that, Mr. Grosswald started GMP Companies, Inc. where he managed development the programs of the first ever Microinvasive Glaucoma Shunt and the LifeSync Wireless ECG. Before joining GMP, he was the Director of Outcomes Research for the National Healthcare Network, a cardiovascular centers of excellence managed care network partnered with the Duke Clinical Research Institute. Mr. Grosswald began his career as a clinical trial coordinator for both interventional cardiology and cardiothoracic surgery studies at the Emory University School of Medicine from 1990 to 1997. Mr. Grosswald holds B.A. and Master of Public Health degrees from Emory University.

Angela Walsh is the Senior Vice President of Finance, Secretary and Treasurer of Virios Therapeutics. Ms. Walsh has over three decades of experience in the field of financial management and accounting, specializing in mergers and acquisitions, strategic planning, compliance and risk management, financial modeling, budgeting, and forecasting. She was the VP of Finance for Celtaxsys, Inc. where she oversaw and managed the company’s financial and accounting activities. Prior to that, Ms. Walsh worked at Vennskap, LLC and was the CFO for Green Circle Bio Energy where she part of the executive team that executed a successful acquisition by Enviva Partners, LP, which subsequently executed a $214M initial public offering. Prior to that, she worked at Atlanco and at Altea Therapeutics. Ms. Walsh was the Controller for Huffy Sports, a division of the Russell Corporation and participated in numerous capital market transactions including mergers and acquisitions, debt offerings and filing S-1s for initial public offerings. Ms. Walsh began her accounting career with Arthur Anderson and is a Certified Public Accountant in both Georgia and North Carolina. Ms. Walsh holds a BS in Accounting from Wake Forest University.