John J. Brennan III is the retired Chief Counsel of the Federal Transit Administration and former Senior Counsel for the Union Pacific Railroad. During the 2000s, he served as Staff Director and Counsel for the House of Representatives Subcommittee on Railroads, Pipelines and Hazardous Materials. Mr. Brennan belongs to the bar in Massachusetts and Nebraska, and holds degrees from the University of Massachusetts-Boston and Suffolk University Law School. He is currently a Rail and Transit legal consultant.