Rite Aid has named Darren Karst to lead the finance function, effective Aug. 20. He will replace Frank Vitrano, who plans to retire next year and in the meantime will be chief administrative officer for the drugstore chain’s real estate, IT and indirect procurement operations. Karst comes to the firm from Roundy’s, where he has been CFO and assistant secretary since 2002.
Chief operating officer and CFO Timothy Baker will add to his responsibilities at Cynosure: he has also been named president, effective Aug. 1. As such, he takes over from Michael Davin, who continues as chairman and CEO at the aesthetic-treatment provider.
J. Kevin Vann has been appointed to the top finance spot at WPX Energy. He has been interim CFO since March.
Tom Line has been promoted to finance chief at Diamond Hill Investment Group, effective Jan. 1, 2015. He succeeds Jim Laird, who will remain secretary of the company. Line is now managing director of finance.
Ethan Allen Interiors has promoted Corey Whitely to lead the finance function. He had been treasurer and interim CFO.
Eric Buss has been promoted to finance chief at Life Time Fitness. Buss, who started at the firm in 1999 as vice president of finance and general counsel, has been interim CFO since March.
Scott Mahan has resigned from the top finance spot at Bsquare, effective Aug. 15. A search is under way for his replacement.
Integrated-circuit designer Silicon Image has named Raymond Cook to head finance. Most recently, he was CFO at STEC.