Zack R McCain, Jr. is a Registered Professional Engineer in Oklahoma. He is a member of the American Society of Mechanical Engineers as well as a member of the ASME/ANSI QEI-1 "Standards for the Qualification of Elevator Inspectors" since it's beginning in 1982. He is the 1995 recipient of the American Society of Mechanical Engineers Safety Codes and Standards Medal and was named a fellow of the American Society of Mechanical Engineers in October of the same year. McCain is also a Certified Elevator Safety Inspector in accordance with ASME QEI-1 by NAESA. McCain has served as course director and instructor on numerous courses for ASME, has had several articles published in ELEVATOR WORLD magazine and has written several books. McCain received a Bachelor of Science in Mechanical Engineering from Lamar State College of Technology (Lamar University) in Beaumont, Texas.
John Koshak is head and founder of Elevator Safety Solutions, Inc. Directly prior to reactivating the company in September 2008, Koshak served as director of Codes and Standards for North America for ThyssenKrupp Elevator. He was formerly in research at ThyssenKrupp Research, Innovation and Design. Koshak got his start in the industry in 1980 with Westinghouse Elevator Co. and has worked for Dover Elevator, Amtech Elevator and Adams Elevator Equipment Co., where he was vice president of Technical Support. He was a National Elevator Industry Educational Program instructor from 1982 to 1991, designed the LifeJacket hydraulic-elevator safety and holds several patents for elevator-component designs. Koshak is a member of the ASME A17 Standards Committee and a regent of the Elevator Escalator Safety Foundation.