He teaches Arbitration, Cyber Skills and Dispute Resolution, Employment Discrimination Law, Employment Law, and Labor Law. He was the founder and Editor-in-Chief of the "Journal of Alternative Dispute Resolution in Employment" (CCH Inc.), served as an arbitrator for the Omaha Tribe and numerous other civil disputes, and was a Hearing Examiner for the Nebraska Equal Opportunity Commission. Professor Larson has more than 60 legal publications and has made more than 150 professional presentations in Australia, Austria, Canada, China, England, Ireland, the Netherlands, Sweden, and the United States. A leader in the American Bar Association (ABA), his current assignments include an appointment as Co-Chair of the Section of Dispute Resolution Technology Committee (2015 - ).

Professor Larson is one of the two System Designers creating an online dispute resolution platform for New York State Court System credit card debt collection cases. He supervised the ABA Law Student Division Arbitration Competition from 2008 until 2016. He also was a member of the ABA E-Commerce and ADR Task Force. From 1990-91, he was the "Professor-in-Residence" at the Equal Employment Opportunity Commission headquarters in Washington, D.C., serving primarily in the Office of General Counsel, Appellate Division and working with the Office of Legal Counsel as they drafted and revised the Regulations and Interpretive Guidance for the Americans with Disabilities Act. Professor Larson was tenured at the Creighton Law School and the Millsaps College School of Management, was a full-time faculty member at the Loyola University School of Business Administration, and previously practiced with a large litigation law firm in Minneapolis. His articles are available at here.