Charles Connor Mosack is an American professional stock car racing driver. He competes part-time in the NASCAR Craftsman Truck Series, driving the No. 7 Chevrolet Silverado RST for Spire Motorsports and part-time in the ARCA Menards Series, driving the No. 28 Chevrolet SS for Pinnacle Racing Group. He has previously competed in the NASCAR Xfinity Series, ARCA Menards Series East, and ARCA Menards Series West.