Keith B. Hall is Director of the Mineral Law Institute and the Campanile Charities Professor of Energy Law.  He teaches Mineral Rights, Advanced Mineral Law, International Petroleum Transactions, and an Energy Law Seminar that focuses on environmental issues relating to energy industries.  His publications have focused on oil and gas leases, pooling and unitization, hydraulic fracturing, induced seismicity, and the management of produced water.  He is co-author of one of the two national casebooks on oil and gas law and also is co-author of a book on the legal issues relating to hydraulic fracturing.  He is a frequent speaker at national and international oil and gas, energy, and environmental law conferences, and is a contributing co-author to the forthcoming new edition of the leading textbook on international petroleum transactions.  In addition to teaching at LSU, he has taught energy law classes as a visiting professor at Baku State University in Azerbaijan and as an adjunct professor at Loyola School of Law.  Before joining the LSU Law Center, he was a member of the firm Stone Pigman Walther Wittmann in New Orleans, where he practiced law for 16 years, with a focus on oil and gas litigation and transactions, environmental law, and toxic tort litigation.

Professor Hall is a member of the Board of Editors for the Oil & Gas Reporter, the Board of Trustees for the Rocky Mountain Mineral Law Foundation, the Advisory Council for the Institute for Energy Law, and the Board of Trustees for the Energy & Mineral Law Foundation.  He is a former Chair of the Louisiana State Bar Association's Environmental Law Section and former Chair of the Oil & Gas Committee of the ABA Section of Environment, Energy and Resources.  He serves on the Louisiana Law Institute’s Water Law Committee and is a registered professional engineer.

Zack co-founded Oliva Gibbs in 2013 and currently serves as Managing Partner. His primary role at the firm is strategic planning. The decision to start the firm was driven by Zack’s desire to create a great company focused on the energy industry, with a passionate team of colleagues who share the goal of doing things better.

Zack has primarily worked with upstream operators and oilfield service companies on the drafting and negotiation of contracts, complex title issues, and the purchase and sale of assets across New Mexico, Ohio, and Texas. Additionally, entrepreneurs in the energy industry seek his assistance with business partnership issues such as negotiating complicated partnership dissolutions or exits, advising on key business milestones, and advising on issues between business partners. A lifelong student of investing, he offers a unique perspective to leadership teams and owners through the intersection of his legal background and his experience as a professional investor and founder of Oliva Partners Management LLC, a long-only value investment fund.

Outside of the office, Zack donates considerable time each year to mentoring entrepreneurs through his membership in the Entrepreneur’s Organization (EO) and other groups. He enjoys spending time with his family, reading, traveling, and practicing jiu-jitsu.

Brad represents clients in connection with upstream energy transactions, complex mineral titles, pooling issues, lease analysis, joint operating agreements, surface use issues, solar development and accommodation, title curative, and general oil and gas business matters. His primary focus is on North Dakota, Texas, and New Mexico.

Brad is active in numerous oil and gas and Landman industry associations and frequently speaks at energy conferences and events. He serves on the board of WHAPL and the HBA Energy Law Section. Brad is Board Certified in Oil, Gas, and Mineral Law by the Texas Board of Legal Specialization and has been recognized as a top-rated energy and natural resources lawyer in Houston since 2018.