tim christle, p.e.
Executive Vice President, PTI
Tim Christle, P.E., currently serves as Executive Vice President of the Post-Tensioning Institute (PTI). His focus is to fulfill PTI’s mission by promoting and advancing the post-tensioning industry through education, certification, and technical leadership. Christle’s 35 years in the A/E/C industry has revolved around post-tensioned concrete structures. Christle is an active member of various concrete industry associations, including the American Concrete Institute (ACI), Precast/Prestressed Concrete Institute (PCI), American Segmental Bridge Institute (ASBI), Alliance for Concrete Codes and Standards (ACCS), and the National Concrete Bridge Council (NCBC) as the current Chair. He is a voting member of ACI committees 131, 362, 423 and ACI/PTI committee 320. He is NCEES certified and a licensed Professional Engineer in five states.