Jacob Jiles
From Halopedia, the Halo wiki
Summary
He replaced Colonel Robert Watts as leader of the Eridanus Rebels after the former was captured by the Spartans in 2525. His background is unknown, but the black haired rebel was a slippery man, who worked only to serve himself. In 2552 he assisted the Gettysburg-Ascendant Justice hybrid vessel in making repairs before they would return to Earth. Unfortunately the Covenant attacked before then. Governor Jiles is assumed killed when the vessel was forced to retreat from the area.