Bassist/Musical Director Zach Rudulph hails from the Bay Area in Northern California but now calls Los Angeles home.

Zach is a touring machine and an outstanding performer with an infectious stage presence. He has cut records and performed with countless artists in pop, hip-hop, gospel, and R&B including: Andy Grammer, Cody Simpson, Colbie Caillat, Fifth Harmony, Jewel, DJ Skee, Queen Latifah, Gavin DeGraw, The Game, Rachel Platten, Ben Rector, and Westside Connection. He has also been on numerous early morning and late night TV shows not limited to: Jimmy Kimmel, James Corden, The Ellen Show, Good Morning America, Today, Show, Billboard Awards, The Talk, The View, and Disney Channel. 

Zach is currently touring and has, for over eight years, steadily traveled with platinum recording artist Andy Grammer acting as his musical director, bassist, and background vocalist. This coming fall, they will be embarking on a tour together with Train.

While not on the road, Zach records in studios around town, regularly laying down tasty bass lines for Warner Bros. Producer Cook Classics. He also teaches music lessons from his personal studio and is consistently in the process of perfecting his own artistry and discovering new sounds.

About GK, Zach says: "I really dig the GK gear. The fusion 550 and the MB 800 are my favorites in the family! Such a sweet balance of both tubes and fet power. GK can amplify it with both a new and old school sound. And with GK, it's defiantly a brotherhood of some of the most gracious and talented cats out there."