Matt Kiehn

Co-Managing Partner

Matt is a Co-Founding Attorney and Co-Managing Partner of Kiehn|Sanchez.

Licensed in Oklahoma and Texas, he advises businesses, entrepreneurs, and individuals in cannabis law, business transactions, estate planning, and personal injury matters.

Matt advises entrepreneurs, families, and businesses on regulatory compliance, corporate transactions, succession planning, and litigation strategy. He is particularly experienced in helping clients navigate complex legal and business challenges in highly regulated industries.

Matt earned his J.D. from St. Mary’s University School of Law, where he served as President of the Animal Legal Defense Fund chapter and competed on the National Moot Court Team. He remains active in the legal community and serves as a pro bono attorney for the Animal Legal Defense Fund.

Outside the office, Matt enjoys traveling, spending time with his family, and caring for his many pets.


  • 2024, Texas

  • 2025, Oklahoma

  • 2025, U.S. Tax Court

Admissions

Education

  • University of Nevada, Reno (B.S., Economics, 2013)

  • University of Nevada, Reno (M.A., Education, 2017)

  • St. Mary’s University School of Law (J.D., 2024)

  • Oklahoma Bar Association

    • Animal Law Section

    • Business & Corporate Law Section

    • Estate Planning, Probate, & Trust Section

  • State Bar of Texas

    • Animal Law Section

Professional Organizations