PureTech Health plc announced that Joichi “Joi” Ito, Ph.D., has stepped down from the board of directors, and current board member, Chris Viehbacher, will act as interim chair. Christopher Viehbacher is a member of the PureTech Board and will serve as interim chairman. He is the managing partner of Gurnet Point Capital. Mr. Viehbacher is the former CEO of Sanofi, a Paris listed Fortune 50 Biopharmaceutical Company and the former chairman of Genzyme. Prior to joining Sanofi, Mr. Viehbacher spent 20 years at GlaxoSmithKline, ultimately serving as president of GSK’s North American pharmaceutical division and as a member of the board of directors of GSK plc.