IQ News: Movers

HeadHunter.NET, an Atlanta-based online recruiting company, appointed Mark Partin to chief financial officer. Partin was most recently vice president of finance at Sunchoice Medical Supply, also Atlanta … Multi-platform media company Oxygen Media, New York, named Geoffrey Darby president of production. Darby was a former executive at CBS and Viacom, both New York … E-commerce solutions company Rare Medium, New York, appointed Daniel J. Roddy to the position of senior vice president and general manager of the company’s Los Angeles office … AT&T’s a2b music, New York, named Jim Kuster vice president of corporate development and CFO. Kuster had been managing director in the Global Media and Telecommunications Group of Chase Securities, New York … Ameritrade Holding Corporation, Omaha, Neb., named James Ditmore chief information officer. Ditmore was most recently vice president, systems development, Bell Atlantic, New York