Cellectis announced that Dr. Mathieu Simon is retiring as Executive Vice President and Chief Operating Officer, effective immediately. Following a smooth and successful transition over the last few months, Elsy Boglioli, Executive Vice President, Strategy and Corporate Development, is named Chief Operating Officer. Dr. Mathieu Simon has served as Cellectis’ Executive Vice President since 2012 and as Chief Operating Officer since 2013. He was a member of Cellectis’ board of directors as well.