Since 1993, Jillian has held two personal training certificates from the National Exercise & Sports Trainers Association (NESTA) and The Aerobics and Fitness Association of America (AFAA).
Od roku 1993 je Michealsová držitelkou dvou certifikátů od National Exercise & Sports Trainers Association (NESTA) a The Aerobics and Fitness Association of America (AFAA).