Richard Vaillant has been appointed senior vice president and chief financial officer of Cytovance Biologics. Mr. Vaillant has more than 26 years of financial operations and management experience in the life sciences industry. Previously, he served as chief financial officer, treasurer and secretary of Histogenics Corp., where he was responsible for all financial operations, information systems and human resources. Ulrich Ernst has been appointed vice president of operations. Mr. Ernst is a bio...