Mark A. Lahr is a highly respected public servant with over 40 years of experience in public safety, higher education, and law enforcement training, including strength training and nutrition. He has provided training in officer safety programs to law enforcement officials at local, state, and federal levels, both nationally and internationally. After retiring, Mark served as an associate professor at MacMurray College in Jacksonville, Illinois, where he taught courses on law enforcement and homeland security issues. He was a master instructor for the Illinois State Police Academy's Officer Safety Unit, where he extensively taught officer safety topics. Mark currently holds a position in a specialized unit within the state's top law enforcement agency.