Chembio Diagnostics, Inc. announced that John Potthoff, Ph.D., has been appointed to its Board of Directors. He is currently the CEO of Elligo Health Research. Prior to Elligo, Dr. Potthoff was the CEO of Theorem Clinical Research, where he led the company through a period of significant growth and its acquisition by Chiltern International. Previously, Dr. Potthoff was the CEO and founder of Tanistry, Inc. Dr. Potthoff also currently sits on the boards of Advarra and SynteractHCR and was previously a director at Chiltern until its acquisition by LabCorp in 2017.