He served as Minority Floor Leader before giving up the post in order to focus more time on the attorney general race.
Following law school, Harris practiced in the litigation department of Bryan Cave, LLP, in Kansas City, Missouri for nine years.
[1] The Columbia Tribune observed that Harris's leadership in the House "allowed him to be one of the chief spokesmen against the Republican majority.
Harris also served as the Policy Director for former Missouri Governor Jay Nixon.
And was a member of the Elks Club, the Columbia Chamber of Commerce, the Prevent Child Abuse Missouri Board, the Missouri Kidney Program Advisory Board, the Democratic Leadership Council, and the Commission on the Future of Higher Education.