Frank "Skip" Groff (November 20, 1948 – February 18, 2019) was an American record producer, disc jockey, and owner of Yesterday and Today record store (also known as Y&T) in Rockville, Maryland, at the center of much of Washington D.C.'s punk and alternative music scenes. Groff was born in Waltham, Massachusetts and moved to Suitland, Maryland, as a child. He attended the University of Maryland and was a disc jockey at WMUC, the campus radio station. He died at Maryland's MedStar Montgomery Medical Center at the age of 70.