# Jackson Sjoberg LLP > Full-service natural resources law firm in Austin, Texas. Oil & gas, mining & minerals, trial & appellate, administrative, and real property law. ## Attorneys - David E. Jackson — Partner, Board Certified Oil, Gas & Mineral Law - Matt Sjoberg — Partner, Board Certified Oil, Gas & Mineral Law, Licensed Geologist - Marc O. Knisely — Of Counsel, Board Certified Civil Appellate Law ## Contact 711 West 7th Street, Austin, Texas 78701 Phone: (512) 472-7600 ## Links - [Full LLM reference](/llms-full.txt)