
John J. Harris has joined SNR Denton’s Los Angeles office as a partner in the Oil and Gas practice and the firm’s Energy, Transport and Infrastructure sector team.
Harris has more than 30 years of experience representing oil and gas producers, working interest owners, land and mineral owners, financial institutions and public agencies on oil and gas, energy and environmental matters. He has extensive experience in all aspects of energy law, including the wide range of operational problems faced by energy producers doing business in California and in other states. Harris also has significant experience representing oil and gas, industrial and local government clients in environmental litigation, transactional and regulatory matters.
Also having joined SNR Denton’s Los Angeles-based oil and gas team are associates, Ernest J. Guadiana and Paul M. Williams.
Guadiana represents clients in litigation, transactional and compliance matters regarding oil and gas disputes, administrative matters, and negotiations, water quality, water rights, and environmental contamination.
Williams focuses his practice primarily on the oil and gas industry at all stages of the commercial process. Paul has acted for clients involved in petroleum transactions in North and South America, Europe, Asia, Australia and Africa.
Harris received his J.D. from the University of California, Hastings College of the Law, and his B.A. cum laude, from the University of California at Santa Barbara. Guadiana received his J.D. from Emory University School of Law and his B.A. from Boston College, while Williams received his J.D. from the University of Calgary and his B.A. cum laude, from Amherst College.
On November 28, 2012, the partners of SNR Denton voted to combine with international law firm Salans and Canadian law firm Fraser Milner Casgrain (FMC) to create Dentons. The new firm will launch effective March 28, 2013.



