David Rivers
Chief Executive Officer

Mr. Rivers is our Chief Executive Officer, formerly our Vice President of Finance. Prior to Taiga, David spent five years as a scientist in the immunodiagnostic divisions of Beckman Coulter and DiaSorin. He has investment banking experience with SDR Ventures. He received his M.B.A. in Finance from Daniels College of Business at the University of Denver and a B.S. in Biochemistry from the University of St. Thomas in St. Paul, MN.

Greg Bird Ph.D.
Chief Science Officer

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Dr. Bird is our Chief Science Officer. Prior to joining Taiga Biotechnologies, Dr. Bird spent four years as a research associate at biotechnology companies Cytokine Sciences and Sangamo BioSciences. He received his Ph.D. from the University of Colorado Health Sciences Center and his B.A. from the University of Colorado, Boulder.

Robert Gulock
Chief Commercial Officer


Mr. Gulock is our Chief Commercial Officer.  He is a sales, marketing, and regulatory strategist with a strong track record in international business development, new product development, operations, and performance improvement. He has worked for Sonova, Advanced Bionics, Boston Scientific and Johnson & Johnson. Mr. Gulock's education includes a B.A. in Public Administration-Finance from the University of Michigan.

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Samuel Brown, M.D.
Medical Director

Dr. Brown received his M.D. from the University of Colorado Health Sciences Center and received his A.B. degree in Biology & Society from Cornell University. He did his residency training in internal medicine at the University of Colorado.  He worked as a hospital-based internal medicine physician in community hospitals in the Denver area from 1998 to 2020.