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Our Staff

Lindsay Cadenhead

Lindsay is currently the Director of the AP Summer Institute and has been at TCU since 2020. She holds an Ed. In Educational Leadership and Policy Studies from the University of Texas at Arlington and a Bachelor of Science in Interdisciplinary Studies from Texas A&M- Commerce University.

Prior to coming to TCU, Lindsay served in Texas public education beginning in 2002 as an educator, campus administrator, and curriculum administrator.  Lindsay is a busy wife, mom, and aunt who loves to travel and spend time with her husband and their two sons, Alex and Ashton. She also enjoys attending her families band events, entertaining friends and family, as well as serving on the Mansfield Parks and Recreation Development Corporation Board.

David Grebel

David has served as Director of Extended Education since August 1997. From 1998 through 2003 he also directed the AP Summer Institute and continues to provide support for this important initiative.

Sheri Familiari

Sheri is an Administrative Assistant in TCU’s Office of Extended Education. She assists in the registration and management of programs and classes for our office.

Trisha Obregon

Trisha is a native of Fort Worth, TX. Most of her time is spent as a mother of three children and a Scentsy representative. She has been with Extended Education since April 2014. Trisha provides front office support and assists with major projects like the Advanced Placement Summer Institute.

You may contact all the AP Summer Institute staff at