Dave Koz was born on March 27, 1963 in Encino, California. Koz attended William Howard Taft High School in Woodland Hills, California performing on saxophone as a member of the school jazz band. He later graduated from UCLA with a degree in mass communications in 1986, and only weeks after his graduation, decided to make a go of becoming a professional musician. Within weeks of that decision, he was recruited as a member ofBobby Caldwell's tour. For the rest of the 1980s, Koz served as a session musician in several bands, toured with Jeff Lorber. Koz was a member ofRichard Marx's band and toured with Marx throughout the late 1980s and early 1990s. He also played in the house band of CBS' short-lived The Pat Sajak Show, with Tom Scott as bandleader.
In 1990, Koz decided to pursue a solo career, and began recording for Capitol Records. His albums there include Lucky Man, The Dance, andSaxophonic. Saxophonic was nominated for both a Grammy Award and an NAACP Image Award.
In 1994, Koz began hosting a syndicated radio program, The Dave Koz Radio Show (formerly Personal Notes), featuring the latest music and interviews with who's who in the genre. Dave co-hosted of The Dave Koz Morning Show With Pat Prescott on 94.7 The Wave, a smooth jazz station inLos Angeles for six years. He decided to leave the show in January 2007 and was replaced by Brian McKnight.
In 2002, Koz started a record label, Rendezvous Entertainment, with Frank Cody and Hyman Katz.
In an April 2004 interview with The Advocate, Koz came out publicly as a gay man. Later the same year, he was named by People magazine as one of their "50 Hottest Bachelors" in their June issue.