Seaman is specialized in car stunts and a licensed stunt driver and instructor for stunt performers and actors. He founded his own stunt driving school in 1998 where he also works as a head instructor. He is married to stuntwoman Lori Seaman. In 2001 he was nominated for best driving for a Taurus World Stunt Award in the film Charlie's Angels. He has also performed and coordinated for television series such as Spenser: For Hire (starring Avery Brooks) and Rescue 911.