Gary Kellgren, American record producer, co-founded Record Plant (born 1939)

Gary Kellgren was an American audio engineer and co-founder of The Record Plant recording studios, along with businessman Chris Stone.

The Record Plant was a recording studio established in New York City in 1968 and last operating in Los Angeles, California. Known for innovations in the recording artists' workspace, it produced highly influential albums, including the New York Dolls' New York Dolls, Bruce Springsteen's Born To Run, Blondie's Parallel Lines, Metallica's Load and Reload, the Eagles' Hotel California, Fleetwood Mac's Rumours, Cyndi Lauper's She's So Unusual, Hanoi Rocks' Two Steps from the Move, Eminem's The Marshall Mathers LP, Guns N' Roses' Appetite for Destruction, and Kanye West's The College Dropout. More recent albums with songs recorded at Record Plant include Lady Gaga's ARTPOP, D'Angelo's Black Messiah, Justin Bieber's Purpose, Beyoncé's Lemonade, and Ariana Grande's Thank U, Next.