Post Time Self Insurance Group Login StatusUsername or EmailPasswordType in the text displayed above Post Time Self Insurance Group is a self-insured group for the California Thoroughbred Horse Racing Industry that provides workers’ compensation coverage for the following; Individual Member Trainer Employees Assistant Trainers Foremen Jockeys Exercise Riders Grooms Hotwalkers Board of Trustees: Tim Yakteen, Chairman Bob Baffert, Vice Chairman Robert Hess Jr., Treasurer Doug O’Neill