Leadership Team

Dr. Marty Crawford

Dr. Marty Crawford - Superintendent of Schools

Dr. Marty L. Crawford joined Tyler ISD as Superintendent in 2014. Crawford holds a Bachelor of Education from Baylor University, a Master of Education from The University of Oklahoma and Doctor of Educational Administration from Texas A&M-Commerce. He currently serves on the Board of Directors with the Texas School Alliance, the Legislative Committee for the Texas Association of School Administrators, the Legislative Council with the University Interscholastic League, and as an advisor for Tyler’s Mentoring Alliance.

A member of the Baylor University Athletics Hall of Fame, Dr. Crawford and his wife Alanna, are proud parents of three children: two daughters, Ashton, a practicing RN and graduate student at UT-Tyler and A.J., a student at Tyler ISD’s Dr. Bryan C. Jack Elementary School; along with one son, Jackson, a college freshman at Tyler Junior College.

Jarrod Bitter

Jarrod Bitter - Assistant Superintendent of Administration and Innovation

Jarrod Bitter joined Tyler ISD in 2017 where he has served as a School Improvement Officer and an Executive Director of School Improvement. Mr. Bitter has 20 years in the public, private, and university education sectors. Mr. Bitter is a member of the Texas Association of School Administrators and the Texas Association of School Business Officials. He came to the District from Canton ISD where he served as Canton High School principal. Prior to Canton, Mr. Bitter served in Whitehouse ISD for five years in principal and assistant principal roles. Mr. Bitter has also served as an adjunct professor for The University of Texas at Tyler.

He earned a Bachelor of Arts in Health and Kinesiology and a Master of Educational Leadership from The University of Texas at Tyler. He also holds a Texas Superintendent certification.

Tosha Bjork

Tosha Bjork - Deputy Superintendent/Chief Financial Officer

Tosha Bjork began her career in Tyler ISD in 1999. Prior to Tyler ISD, Ms. Bjork spent 15 years in public accounting and served as partner at Squyres, Johnson, Squyres accounting firm.

Mrs. Bjork earned a Bachelor of Business Administration from The University of Texas at Tyler. Mrs. Bjork’s professional licensures include CPA (Certified Public Accountant), RTSBA (Registered Texas School Business Administrator), and RSBO (Registered School Business Official). She is also an active member of Texas Association of School Business Officials, American Institute of Certified Public Accountants, Government Finance Officers Association, and the Association of School Business Officials International.

Dr. Christy Hanson

Dr. Christy Hanson - Assistant Superintendent of Curriculum and Instruction

Dr. Hanson began her career with Tyler ISD in 2012 where she has served as Executive Director of Secondary Instruction, Chief Academic Officer, and Chief Administrative Officer. She began her career in education as an elementary school teacher at Hurst-Euless-Bedford ISD. Dr. Hanson joined Grand Prairie ISD in 2002 where she served in several positions including counselor, assistant principal, dean of instruction, associate principal, principal, and director of secondary schools.

Dr. Hanson earned a Bachelor of Science in Elementary Education at the University of North Texas, a Master of Science in Counseling and Development at Texas Woman’s University, and a Doctor of Education in Educational Leadership with the University of Phoenix.

Dr. Hanson is a member of the Texas Association of School Administrators, the Texas Learning Collaborative, Association of Supervision and Curriculum Development, Texas Association of Supervision and Curriculum Development, and Phi Delta Kappa. 

Ronald Jones

Ronald Jones - Deputy Superintendent/Chief of Staff

Mr. Jones came to Tyler ISD in 2015 with 22 years of educational experience from Dallas ISD. In Dallas ISD, he served as principal for Hillcrest High School and Benjamin Franklin Middle School, assistant principal of Benjamin Franklin High School, and teacher at D.A. Hulcy Middle School. Mr. Jones served as the Dallas ISD lead principal for the Hillcrest High School feeder pattern, and in 2015, earned all seven state academic distinctions. Mr. Jones has received various other district and campus awards and recognitions over his career.

Mr. Jones earned a Bachelor of Science in Business Administration-Management Information Systems from Louisiana Tech University, his teacher certification from Texas Woman’s University, Master of Education in Educational Administration from The University of Texas at Austin, and has completed doctoral coursework including the superintendent exam through the University of North Texas.