Jason K. Fettig is a United States Marine Corps colonel who is the music adviser to the President of the United States and the 28th director of the United States Marine Band. Originally from Manchester, New Hampshire, Fettig was educated at the University of Massachusetts Amherst and the University of Maryland. An accomplished clarinetist, he assumed command of the United States Marine Band in 2014 after several years serving as the band's assistant director. As of 2019, he holds the rank of colonel.