is a Professor of Special Education, Rehabilitation and Human Services and a clinical psychologist. Both of his kids are full-time students at Clarion University. Mark is a big fan of the outdoors and likes bicycling and hiking. He once frightened off a 500-lb bear he stumbled upon during an early morning hike by simply yelling, Hey Now. Mark loves to travel with his family and often visits relatives in Europe and South America. Mark came to Clarion by way of the Veterans Administration Hospital in Pittsburgh where he worked with dually diagnosed vets. His clinical specialty is in substance abuse and HIV/AIDS psychology. He loves teaching and lives for getting laughs during his lectures.