Valeant Pharmaceuticals International disclosed in a Form 8-K that it has appointed Sam Eldessouky as chief accounting officer, effective as of June 15. He assumed this role from Robert Rosiello, who will continue to serve as senior vice president and chief financial officer.

Eldessouky has served as senior vice president and controller since May 31, when he joined the company from Tyco International, a global provider of security, fire detection and suppression and life safety products and services. At Tyco, where he served since 2004, Eldessouky most recently served as senior vice president, controller and chief accounting officer.

Prior to 2011, Eldessouky served in a variety of positions at Tyco, including vice president and assistant controller. Before joining Tyco, Eldessouky spent 10 years at PwC.