John Arthur Hill is an American musical theater actor, television producer and radio host best known for his work in both off-Broadway performance and late-night television.
Hill first gained recognition in the theater world for portraying Jason McConnell in the off-Broadway production of Bare: A Pop Opera, a role that helped establish him within New York’s musical theater community. His performance earned attention for its emotional depth and vocal strength, marking him as a rising stage talent.
Transitioning into television, Hill became widely known as a producer on Watch What Happens Live with Andy Cohen, where he works behind the scenes on the long-running Bravo late-night series. He has also built a significant presence in radio and pop culture commentary through his collaborations with Andy Cohen.
Earlier in his career, Hill cultivated a digital following through his website, John Hill Online, where he created the comedy video series “Johnny and Kooks” alongside friend Katharine Leonard. The duo later released a single on iTunes titled “About You,” expanding their creative partnership into music.
Raised in San Antonio, Texas, Hill now resides in Los Angeles, California, continuing to work across entertainment platforms spanning theater, television and radio.



