Thomas W. Jackson served a twenty year tenure as the Grand Secretary of the Right Worshipful Grand Lodge of Free and Accepted Masons of Pennsylvania. He was also the first Executive Secretary of the World Conference of Regular Masonic Grand Lodges from 1998 to 2014. He holds honorary membership in thirty-nine grand lodges in the world, with Honorary Grand Rank in twenty, including Honorary Grand Master in twelve jurisdictions. He is a Fellow of the Philalethes Society and a member of the exclusive Society of Blue Friars.