(marketscreener.com) Promethera® Biosciences SA, global innovator in cell-based medicines and liver diseases, today announced a management team update. As of February 21st, Prof. Etienne Sokal, M.D., Ph.D., has stepped back from his operational role as Group CMO and will transition to the position of Chairman of Promethera®'s Scientific & Medical...https://www.marketscreener.com/news/Promethera-Announces-Changes-in-Management-Team--30274658/?utm_medium=RSS&utm_content=20200330