Leslie Stockel | Biography Leslie Rex Stockel is an Associate Professor of Professional Practice at Oklahoma State University in Fire Protection & Safety Engineering Technology as well as Instructional Director for the OSU OSHA Education Center. Additionally, Leslie serves as a member of the Board of Directors for the Board of Certified Safety Professionals. Leslie holds a PhD in Technical Communication and Rhetoric from Texas Tech University, a Masters of Science in Engineering Technology Management, and a Bachelors of Science in Fire Protection and Safety Engineering Technology from Oklahoma State University. Dr. Stockel holds the Certified Safety Professional (CSP) and Safety Management Specialist (SMS) designations with the Board of Certified Safety Professionals.