After law school at New York University, Colburn practiced at Debevoise & Plimpton’s New York office, representing clients as diverse as New York Life and Chrysler in transactions ranging from $10 million to over $50 billion. After returning to his home town of Denver, Colburn spent 7 years at First Data Corporation – originally as Mergers and Acquisitions Counsel for transactions in the U.S. and Canada, and later as Senior Counsel for International Mergers and Acquisitions, based in Paris and London. Currently, Colburn is Counsel for corporate development at former First Data subsidiary Western Union.