Gayle S. Mayo has been Jon Hester’s legal assistant since 1983, attending trials and assisting him in the conduct of all complex litigation. She also assists Scott Hester and Monica Dionisio. Additionally, she is responsible for client contact and communications and assisting in document drafting and trial preparation.


  • Southern Nazarene University (1981-1983)
  • Rose State College (1985-1987)

Continuing Paralegal Education Seminars:

  • COALA, Family Law Spring Workshop (1990)
  • Paralegals and the Litigation Team in Oklahoma (1995)
  • Effective Legal Writing for Paralegals in Oklahoma (1998)
  • Legal Technology for the Wired Paralegal in Oklahoma (2000)
  • Advanced Legal Drafting for Oklahoma Paralegals (2002)
  • Trial Preparation from Start to Finish for Oklahoma Paralegals (2004)
  • Management and Leadership Skills for Supervisors and Managers (2004)