Has been a member of Teamsters Local 385 since 1984, he began his Teamster career working as a part-time loader at the Cocoa, Florida United Parcel Service Center. After serving as a part-time UPS job steward for 4 years, became a full-time Package Car Driver and job steward for UPS in 1987 to 1997. Clay was appointed as a Business Agent for Local 385 after the UPS strike in August of 1997. In 2000, he was elected Secretary-Treasurer, of Teamsters Local 385. In 2002 he served on the National UPS Cartage Service INC., Negotiating Committee and was appointed the Co-Chair of the UPS-CSI Southern Region Area Contract Supplement. In 2007 and again in 2012 he served as a member of the Teamsters UPS Southern Region Negotiating Committee. He has been a Co-Chair of the Southern Region Area Parcel Grievance Committee since 2000. Clay was appointed President of Local 385 in 2016.