Calyxt, Inc. announced the appointment of current board member Yves Joseph Ribeill, Ph.D., as Chairman. This appointment coincides with Dr. André Choulika’s decision to wholly focus his energy on Cellectis’ clinical development activities, and thus, retiring as Chairman of Calyxt’s Board. Additionally, Calyxt’s Board of Directors appointed Laurent Arthaud (Cellectis Board member) as Director. These changes are effective immediately. Yves Joseph Ribeill, Ph.D., founded SCYNEXIS, Inc. and served as President and CEO from 1999 to 2015. Dr. Ribeill has more than 35 years of experience in the healthcare industry, with an expertise in anti-infective diseases including bacterial, fungal, viral and parasiticidal and in microbiome-centric diseases. In addition, the Calyxt Board of Directors appointed Laurent Arthaud, a member of Cellectis’ Board of Directors since 2011, as Director. Mr. Arthaud was designated to serve as a director by Cellectis, Calyxt’s parent company, pursuant to an existing Stockholders Agreement between Calyxt and Cellectis.