2020 Football Coaches Bios

-JL Geist

-Head Football Coach

Coach Geist is in his 2nd year at Clark High School and has 31 years of coaching experience. Before coming to Clark, he spent 3 years as the Head Football Coach at Dulles High School in Houston. He has coached in the Houston and Austin areas and has experience as a Defensive, Offensive and Special Teams Coordinator. Coach Geist is a graduate of Texas A&M University. He and his wife, Danna, have two sons, Thomas 27 and Nicholas 22.

-Alan Hill

-Offensive Coordinator/Quarterbacks

Coach Hill is in his 2nd year at Clark and has 11 years of coaching experience.  He has coached at Churchill HS and Smithson Valley HS. Spent 2 years as an OC at Churchill as well as 4 years as the Head Baseball Coach. Coach Hill is a graduate of Texas State University. He and his wife, Stephanie, have a 6year old girl named Avery and a 3year old boy named Austin.  

-Ahmad Zaidan

-Defensive Coordinator/Defensive Backs 

Coach Zaidan is in his 2nd year at Clark and has 10 years of coaching experience.  He has coached at Cedar Park HS, Colleyville Heritage, Clear Springs and has experience as Special Teams Coordinator and a Co-Defensive Coordinator.  Coach Zaidan is a graduate of Texas State University.  He and his wife, Monique, have 2 daughters that are 12(Aubrey) and 6(Olivia) years old. 

-Bobby Allen

-Running Backs

Coach Allen is in his 10th year at Clark and has 27 years of coaching experience.  He has coached at Marshall HS, Lee HS, Southwest HS, Devine MS and has experience as Special Teams Coordinator 2 years, MS coordinator 3 years. Coach Allen is a graduate of UTSA. He and his wife, Lorraine, have a 27year old daughter Lauren, 25 year old daughter Sarah, 24 year old son Zachary, 23 year old son Taylor, 20 year old daughter Emily, and 17 year old son Ryan.

-Randy Badillo

– Junior Varsity Head Coach /Full Backs & Tight Ends

Coach Badillo is in his 3rd year at Clark and has 15 years of coaching experience.  He has coached at Lytle High School, McCollum High School, and Edison High School in his career. He has experience as Offensive Coordinator (3yrs) and Head Track Coach (11yrs). Coach Badillo is a graduate of St. Mary’s University BA’03 and Texas A&M University San Antonio MA’13. He and his wife, Jennifer, have a 13year old daughter, Katelynn and 9year old son, Randy Jr.   

-Johnnie Mac Hollinger

-Offensive Line

Coach Hollinger is in his 2nd year at Clark and has 44 years of coaching experience.  He has coached at multiple high schools and universities and has experience as an Athletic Director, Head Football Coach, Offensive Coordinator. and Offensive Line Coach. Coach Hollinger is a graduate of the University of West Alabama. He and his wife, Claudia, have 2 children Anna and John David.  

-Andrew Woodchick

-Receivers

Coach Woodchick is in his 2nd year at Clark and has 6 years of coaching experience.   Coach Woodchick is a graduate of Texas State University.

-Manny Ayala 

– Defensive Line 

Coach Ayala is in his 2nd year at Clark and has 15 years of coaching experience.  He has coached at Uvalde High School in Uvalde, TX and Smithson Valley in Spring Branch, TX. He has experience as a Co- Defensive Coordinator.  Coach Ayala is a graduate of UTSA. He and his wife, Monica, have 2 kids, Gavin and Nathan, ages 3 and 4.  

-John Castillo

-Freshmen Head Coach/Linebackers 

Coach Castillo is in his 4th year at Clark and has 12 years of coaching experience.  He has coached at McMurry University, Warren H.S., McCollum H.S. and has experience as Special Teams Coordinator for 2 years. Coach Castillo is a graduate of Texas A&M San Antonio. He and his wife, Jennifer, have 2 daughters, 4 year old Amelie, and 3 month old Adeline. 

-Rene Cardona

-Special Teams Coordinator/Defensive Backs

Coach Cardona is in his 1st year at Clark and has 13 years of coaching experience. He has coached at St, Matthew Catholic Church, Cotulla Middle School, and Floresville High School. Coach Cardona is a graduate of UTSA & Texas A&M- San Antonio. He and his wife Amy have been married for 1 year and have 4 dogs. 

-Frank Lara

-Linebackers

Coach Lara is in his 2nd year at Clark and has 4 years of coaching experience.  He has coached at Floresville High School where he was the Linebackers Coach. Coach Lara is a graduate of Texas State University. He and his wife, Vanessa, have 1 Daughter, Madison (21 Months), and a newborn son Logan.