Adam Theis (pronounced "Thēese") is a multi-instrumentalist, producer, bandleader and composer based in Oakland, CA who plays trombone, trumpet, tuba, bass, keyboards and anything/everything else he can get his hands on. In 2000, Theis co-founded Jazz Mafia - an eclectic artist collective of some of the most forward thinking and accomplished players in the fields of Electro, Hip-Hop, World, Classical and of course, Jazz. As Jazz Mafia’s director, Adam has assembled over 100 different live projects over the past 20 years and led/co-led dozens of acclaimed bands. He is also the Director of SFJAZZ's Monday Night Band, Director of the Truckee Jazz Camp, and winner of the Gerbode-Hewlett Foundation’s “Emerging Composer” Grant.  Theis has produced and co-written music for notable artists such as Lyrics Born, Zion-I, Rebelution, Latyrx, Galactic, Ledesi, Blackalicious and many more. As a sideman, Adam and his horn section have created eclectic collaborations with a wide range of top level artists including: Bobby McFerrin, Roy Ayers, Chali 2na, Booker T. Jones, Spearhead, Zigaboo Modeliste, Zap Mama, Eric Lindell, Dead Winter Carpenters, KRS One, Wax Tailor, The New Master Sounds, Peter Rowan, Coultrain, J Boogie’s Dubtronic Science, The Velvet Teen and dozens more.