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 provides strategic counsel 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. Since entering private practice, he has represented businesses and individuals throughout Oklahoma and remains active in the legal community through his pro bono work with the Animal Legal Defense Fund.

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


  • Oklahoma

  • Texas

  • United States Tax Court

  • United States District Court for the Western District of Oklahoma

Bar 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