- Engineer, Department of Transportation National Highway Traffic Safety Administration
- Director of Safety, Roehl Transport
- Deputy Executive Director, Commercial Vehicle Safety Alliance
- Director, Legislative Affairs, American Trucking Associations
- Chief of Drug & Alcohol Policy and Compliance, Federal Motor Carrier Safety Administration
- President & CEO, American Trucking Associations
- Senior Vice President, Safety Policy and Compliance, American Trucking Associations
- Litigation Consultant at Courtroom Sciences, Inc.
- Director, Center for Ports & Waterways
- Executive Director, National Drug and Alcohol Screening Association
- Associate Administrator for Policy, Federal Motor Carrier Safety Administration
- Founder and CEO of aifleet
- Vice President, Workforce Policy, American Trucking Associations
- Senior Policy Executive Advisor, National Drug & Alcohol Screening Association
- Director of Safety, TCW
- Senior Research Associate, Division of Freight, Transit, & Heavy Vehicle Safety Research-To-Practice & Outreach, Virginia Tech Transport Institute
- Vice President of Safety, Bulkmatic