On December 13, 2020, Equillium, Inc. entered into an offer letter agreement with Ms. Dolca Thomas, M.D., effective January 11, 2021, pursuant to which Dr. Thomas shall serve as the Company's Executive Vice President of Research & Development and Chief Medical Officer. Dr. Thomas, age 50, has over 20 years of medical, drug development and operations experience in healthcare and biotechnology industries. Dr. Thomas has served as a director of Chinook Therapeutics, Inc., since October 2020.