Brian Klein is a partner at the Los Angeles-based boutique litigation firm Baker Marquart LLP. His practice focuses on high-stakes criminal and regulatory defense and civil litigation matters. He has extensive experience representing financial technology companies, entrepreneurs, and early adopters. He serves as an advisor to BlockSeer, a blockchain analytics company, and formerly volunteered as the outside general counsel of the Bitcoin Foundation. He teaches a federal criminal practice seminar at USC’s law school and served as a federal prosecutor in Los Angeles from 2007-2012.