Dr. Tibbetts has served in the following capacities:
Baseball/Little League
Coach/Manager/Supporter/Member, Board of Directors
City of Dalworthington Gardens
Alderman
Mayor Pro-Tem
Zoning and Planning Commission
Zoning Board of Adjustment
Tri-Cities Commission on Road Construction and Right-of-Way Acquisition (Arlington, Pantego and Dalworthington Gardens)
Church
Dr Tibbetts is an active member of First Presbyterian Church of Arlington.