Born Brad Schoeppach, he changed his last name to Shepik in the late 1990s.

He played saxophone as a youth but switched to guitar as a teenager.

He attended Cornish College of the Arts and New York University.

[1] In the 1990s he led his own ensembles with sidemen including Jim Black, Peter Epstein, Tony Scherr, Chris Speed, Skúli Sverrisson, and Kenny Wollesen.

He has worked as a sideman with Joey Baron, Carla Bley, Bob Brookmeyer, Matt Darriau, Dave Douglas, Charlie Haden, Franz Koglmann, Andy Laster, Paul Motian, Ken Schaphorst, George Schuller, Simon Shaheen, and Yuri Yunakov.