Saveiro La Francesca, chief medical officer of biotech company Biostage (NASDAQ: [[ticker:BSTG]]), has been promoted to president. La Francesca had served as chief medical officer of the Holliston, MA-based company since 2014. The cardiothoracic surgeon oversaw Biostage’s development and preclinical testing of a technology that uses stem cells to bioengineer organ implants. In his new role, Biostage says La Francesca will oversee testing of this “Cellframe Technology” in clinical trials expected to start later this year.