Licking Memorial Health Systems is pleased to announce the addition of Certified Physician Assistant Mark C. Hacker, to Licking Memorial Emergency Medicine.  Mark earned his Bachelor of Science degree in Physician Assistant Studies at Kettering College of Medical Arts in Kettering, Ohio.  He received a Master of Physician Assistant Studies from the University of Nebraska Medical Center in Omaha, Nebraska.  He is certified by the National Commission on Certification of Physician Assistants.