Chris Sheehy and Scott Biggers have joined Omnicom's The Marketing Arm as group concept directors, a new post at the agency. Based in New York, Sheehy joins The Marketing Arm from Faith Popcorn's
BrainReserve, where she was strategic director. She also spent four years with Earle Palmer Brown. Biggers joins The Marketing Arm from Dallas-based hawkeye, where he has been a vice president/group
creative director since 2006. Prior to joining hawkeye, Biggers worked for six years at Tribal DDB there.