Flanagan is licensed to practice in the States of Missouri, Kansas and Illinois. At the special request of the Chief Bankruptcy Judge, he served as a member of the Ad Hoc Advisory Committee for the Western District of Missouri Bankruptcy Court. He is a member of the Corporate, Banking and Business Sections of the American Bar Association and The Missouri Bar Association and the American Health Lawyers Association. Flanagan is also a member of the Board of Directors of Central Bank of Kansas City.