Protagonist Therapeutics, Inc. announced changes to the executive management team, with the appointment of Samuel Saks, M.D., as Chief Medical Officer. In addition, Suneel Gupta, Ph.D., current Executive Vice President of Clinical Operations and Pharmacology, has been promoted to the role of Chief Development Officer. In conjunction with the appointment of Dr. Saks to his new role at the Company, Richard Shames, M.D., Chief Medical Officer of Protagonist, will transition to the role of clinical advisor.