Comcast Tuesday officially named Neal Tiles president of G4 and Dale Hopkins chief operating officer, replacing founder Charles Hirschhorn at the network’s helm. The moves were reported Monday in TelevisionWeek.

Mr. Tiles had been VP of marketing for DirecTV. Ms. Hopkins had been senior VP of distribution and advertising sales.

In a statement, Comcast said Mr. Hirschhorn “is in discussions regarding consulting opportunities with G4 and other Comcast content entities as well as pursuing other entrepreneurial pursuits.”