Gary Portnoy the "Cheers" theme song. Gary Portnoy Gary Portnoy (born June 8, 1956) is an American musician and singer-songwriter. He is best known for co-writing and performing the main theme song of the NBC sitcom "Cheers", "Where Everybody Knows Your Name". In the early 1980s, Gary Portnoy and Judy Hart Angelo set out to write a theme for "Cheers". After their first two attempts were rejected, "Where Everybody Knows Your Name" was selected. Prior to that, Portnoy's songs had been recorded by various artists, including Dolly Parton's "Say Goodnight" (co-written by Susan Sheridan) and Air Supply's "I'll Never Get Enough of
Daniel A. Portnoy Pennsylvania, where he collaborated with Dr. Lewis Tilney in the Biology Department and made the observation that "L. monocytogenes" spreads from one cell to another by exploiting a host cell system of actin polymerization. His lab also defined the role of the listerial hemolysin in mediating dissolution of phagosomes. In collaboration with Dr. Philip Youngman, he showed that expression of the "L. monocytogenes" hemolysin by "Bacillus subtilis" led to its growth inside of host cells. Dr. Portnoy collaborated with Dr. Yvonne Paterson, who also arrived at Penn in 1988, on the use of "L. monocytogenes" as a recombinant vector-based vaccine