Accepted certifications include: NASM, ACE, ISSA, AFAA, NPTI, Cooper Institute ACSM, CSCS, NSCA, NFPT, NESTA, PTA Global NCFS, RTS – Resistance Training Specialist Basic knowledge of First Aid . Compensation: 27-50% of Session Rate, Cash and EFT commissions from 3-8%, Additional Bonuses From a single gym in Venice Beach, California in 1965 to a global symbol of strength and performance, Gold’s Gym has defined serious training for nearly six decades.