He founded tequila brand Casamigos alongside actor George Clooney and businessman Mike Meldman, as well as nightlife companies Midnight Oil, Caliche Rum, and Gerber Group, with a portfolio that has consisted of nightlife industry, such as restaurants, bars and lounges worldwide.

[6] Gerber Group opened its first venue, the bar The Whiskey in the Paramount Hotel in theater district of New York City, in 1991.

[9] In January 2019, it was announced that Gerber and his partners, Michael Meldman, Jeff Shell, and Jay Sures would purchase Nate 'n Al of Beverly Hills and keep it open.

[12] They have two children, son Presley Walker (born July 2, 1999)[1] and daughter Kaia Jordan (born September 3, 2001),[13][14] both of whom started modeling careers while growing up.

[15][16] In August 2021, the couple sold their home in Trousdale Estates, Beverly Hills, for a reported $13.5 million.