Iridex Corp. of Mountain View, Calif., a provider of therapeutic-based laser systems, yesterday announced that Meryl A. Rains has joined the company as CFO. Rains replaces Larry Tannenbaum, who has been named the company's first chief business officer, responsible for overseeing Iridex's corporate business development and integrating the Laserscope aesthetics business acquired on Jan. 16. Tannenbaum has served as CFO since April 2004. Rains most recently served as corporate controller of semiconductor company Actel Corp. Before that, she worked in controllership roles for contract manufacturers Celestica Inc. and International Manufacturing Services. She has also held financial management positions at Maxtor Corp. and served as international tax manager for Borland International Inc. and Price Waterhouse.