– USA, NC – G1 Therapeutics, Inc. (Nasdaq: GTHX), a clinical-stage oncology company, today announced that current board member Garry Nicholson has been named as board chair, succeeding former chair Seth Rudnick, M.D. Dr. Rudnick, Sir Andrew Witty, and Fredric Eshelman, Pharm.D. have been re-elected to the Company's Board of Directors.