Petrowski is the secretary/treasurer of GPW & Associates, an actuarial consulting firm located in Phoenix, Arizona. He holds an associate in captive insurance designation issued by the International Center for Captive Insurance (ICCIE). His fields of expertise include formation, regulatory compliance, accounting, taxation and tax planning for insurance companies, captives and reinsurers. He also specializes in the design and development of dealer and agent back end participation programs. Petrowski is a member of both the AIDPA and ASPCA and is a past director and treasurer of the Arizona Captive Insurance Association. He is a frequent speaker at industry related training seminars and events.