Jim Mullen is the Chief Administrative and Legal Officer for TuSimple. Prior to joining TuSimple, Jim served as the Acting Administrator and Chief Counsel of the U.S. Department of Transportation?s Federal Motor Carrier Safety Administration (FMCSA). While leading the FMCSA in Washington, he was responsible for regulating more than 530,000 trucking companies, 12,000 bus and motorcoach operators, and approximately 4 million interstate commercial driver?s license (CDL) holders. Notable accomplishments during his FMCSA tenure include Hours of Service reform, autonomous commercial vehicle rulemaking, contributions to the DOT?s AV 3.0 and 4.0., and leading the agency during the onset of the COVID-19 pandemic. Before joining the DOT, Jim ran a consulting firm specializing in transportation and cross-border trade. He also spent 10 years as the Executive Vice President and General Counsel of Werner Enterprises, one of the largest truckload carriers in the United States. Jim has served as a member of the American Trucking Associations Executive Committee and Board of Directors and earned his Juris Doctor and Bachelor of Arts in Economics degree from the University of Nebraska.