Sober 23 years since 4/20/1967, past Delegate from Texas and later a Trustee on the General Service Board of Alcoholics Anonymous, David is a Master with the Traditions.
Two years later at the same event, David gave one of the best presentations on the Concepts I have heard to this point:
David A of TX at Suwanee, GA 1993 - 12 Concepts of Workld Service