Klein holds a bachelor’s degree in accounting from Michigan State University, and he received his master’s in taxation from Golden Gate University. His first job was as a tax manager for Ernst & Young before moving on to the Los Angeles-based KPMG LLP. He launched his firm in 2005, and he has more than a decade in private practice in a career that has extended more than 20 years. Klein is a member of the American Institute of Certified Public Accountants and California Society of CPAs.