Mark, a resident of Cincinnati area for 40 years, grew up in rural Illinois. He earned a B.S. and M.S. in Engineering from the University of Illinois and University of Cincinnati. He has been married to Kathy Millburg for 40 years and they have 2 children and 5 grandchildren. After retirement from Siemens in 2017 Mark joined the staff at Epiphany as one of the churches Caretakers.