Oklahoma Corporation Office of Administrative Proceedings Administrative Law Judges

MICHAEL L. DECKER has served the Oklahoma Corporation Commission as Director of its Office of Administrative Proceedings since August 1, 2005. Prior to his present role, Judge Decker served the Commission as the Deputy General Counsel for Oil and Gas Conservation from September 1995 to August 2005, as a Senior Assistant General Counsel for Oil and Gas Conservation from February 1992 to September 1995, and an Oil and Gas Administrative Law Judge from August 1982 to February 1992. Prior to government service, Judge Decker served as the Assistant Dean for Admissions and Recruitment for the Oklahoma City University School of Law and was an associate of the Oklahoma City law firm of Bay, Hamilton, Lees, Spears and Verity. Judge Decker received a B.A. degree in 1975 from Oklahoma City University, and a J.D. in 1978 from the Oklahoma City University School of Law. He has received advanced certification in administrative law from the National Judicial College, University of Nevada, Reno.

Western Regional Service Office, Oklahoma City

JACQUELINE ("Jackie") MILLER serves as a Deputy Administrative Law Judge and Referee in the public utility section of OAP in the Corporation Commission's Western Regional Service Office in Oklahoma City. Judge Miller is a J.D., M.B.A., B.A. graduate of Oklahoma City University, Oklahoma City, Oklahoma and has been a student of the law since 1986. Judge Miller has also received certification from the National Judicial College in Advanced Administrative Law. She began her professional legal career as a lawyer in private practice specializing in civil litigation. Prior to employment with the Corporation Commission, Judge Miller served as an Administrative Law Judge for the Oklahoma Employment Security Commission. She began service with the Corporation Commission in public utility regulation in November 1993. During her tenure with the Commission, Judge Miller has served the Commission as a Technical Analyst, Public Utility Division, and an Assistant General Counsel and Senior Attorney, Office of General Counsel. While serving as a Senior Attorney, she served as the deliberation counsel to the Commissioners. In February 2002, Judge Miller was appointed to the role of Senior Administrative Law Judge and conducts hearings in the areas of public utility regulation and enforcement and consumer services complaints. Over the years, Judge Miller has received numerous awards recognizing her professional and community work, including the Kim-Jones Shelton Lifetime Achievement Award from the Oklahoma Alliance of Civil Rights in June 2006. She attributes concern for public service to her parents who committed their lives to serving others.

PATRICIA D. MACGUIGAN, Appellate Referee, received her Bachelor of Science Degree from the University of Oklahoma, a Juris Doctorate with Distinction from Oklahoma City University and a Master of Law (LL.M.) from the University of Virginia. Before becoming an Administrative Law Judge for the Oklahoma Corporation Commission, Judge MacGuigan's professional career included affiliation as Of Counsel in the corporate litigation area with The Kirschner Law Firm and the law firm of McKinney & Stringer in Oklahoma City, Oklahoma. She also was a business litigation lawyer with Fraser & Beatty, a 250-member law firm in Ottawa, Ontario, Canada. She served as Judge and Presiding Judge of the Oklahoma Court of Civil Appeals from 1982 to 1992, and also has experience as an Assistant District Attorney for Oklahoma County. Further, she was an oil and gas litigation attorney for Kerr-McGee Corporation in Oklahoma City, Oklahoma. Judge MacGuigan is a Deputy Oil and Gas Administrative Law Judge in the Commission's Western Regional Service Office in Oklahoma City, where she conducts hearings in the areas of oil and gas conservation, oil and gas and petroleum storage tank regulatory enforcement, pollution abatement/environmental remediation, and oil and gas appeals.

PAUL PORTER is a Senior Administrative Law Judge in the Corporation Commission's Western Regional Service Office in Oklahoma City. Judge Paul Porter holds BS, MA, M.Ed. and JD degrees and is a member of multiple academic honor societies. He has attended several training courses at the National Judicial College. For over fifteen (15) years, Judge Porter has presided as an Administrative Law Judge for the Department of Human Services, the Oklahoma Health Care Authority, and the Corporation Commission, all of Oklahoma. While employed at the Oklahoma Employment Security Commission, he wrote an administrative law manual for the agency. His past legal experience includes personnel law, substance abuse and mental health law, family law, and representation of the State of Oklahoma's Medicaid program in multi-state tobacco litigation. Judge Porter is a member of the state and county bar associations and is certified as an Administrative Law Judge by the National Association of Hearing Officials. Judge Porter conducts hearings in the areas of oil and gas conservation, oil and gas and petroleum storage tank regulatory enforcement, and pollution abatement/environmental remediation.

MICHAEL PORTER is a lifelong resident of Oklahoma. Judge Porter earned his Bachelor of Science in Geography from Oklahoma State University in 1977. He then attended Oklahoma City University Law School where he earned his Juris Doctor in 1983. Before his current employment with the Corporation Commission as a Senior Oil and Gas Administrative Law Judge in the Western Regional Service Office in Oklahoma City, Judge Porter was employed by the city of Oklahoma City for twenty-five years, the last fifteen (15) years of which he was a prosecutor in the Municipal Court of Record for the City of Oklahoma City. In addition, he is a member of the United States Navy Reserve. Judge Porter conducts hearings in the areas of oil and gas conservation, oil and gas and petroleum storage tank regulatory enforcement, and pollution abatement/environmental remediation.

MICHAEL D. NORRIS serves as a Senior Administrative Law Judge in the Commission's Western Regional Service Office. Judge Norris joined the Commission in March 2007 and conducts hearings in oil and gas conservation. Judge Norris received his undergraduate degree from the University of Oklahoma, and attended the University of Oklahoma College of Law and Oklahoma City University School of Law, where he received a Juris Doctorate degree. Judge Norris came to the Commission from the role of staff attorney for a real estate title and abstract company in Oklahoma. Prior to that role, Judge Norris enjoyed a long career in the insurance industry, holding corporate and government agency legal counsel positions in Oklahoma and Texas.

KEITH T. THOMAS serves as a Senior Administrative Law Judge in the Commission's Western Regional Service Office. Judge Thomas joined the Commission in June 2005 as Assistant General Counsel in the Oil and Gas Section of the Office of General Counsel. He joined the Office of Administrative Proceedings in December 2014 and conducts hearings in the areas of oil and gas conservation, oil and gas and petroleum storage tank regulatory enforcement, and pollution abatement/environmental remediation. Judge Thomas received his undergraduate degree from Oklahoma State University, and attended the University of Oklahoma College of Law, where he received a Juris Doctorate. He came to the Commission from the role of attorney at the Interstate Oil and Gas Compact Commission. Prior to that role, Judge Thomas worked in the domestic and international oil and natural gas industry.

DAVID LEAVITT serves as a Deputy Administrative Law Judge in the Commission's Western Regional Service Office. Judge Leavitt previously held positions with the Oklahoma Department of Agriculture, Food and Forestry, as the agency's Director of Administration and Assistant General Counsel. Prior to working for the state, Judge Leavitt practiced civil law and served as the Director of Commercial Development for the Oklahoma Technology Commercialization Center, now known as i2e. Leavitt was the Asia Regional Commercial Manager for the ASEC/Delphi Exhaust & Engine Management Division of the General Motors Corporation, worked as an attorney for AlliedSignal, Inc. and the Gable & Gotwals law firm, worked as a Manager and Engineer for AlliedSignal Environmental Catalyst, and was an Engineering Supervisor for Farmland Industries, Inc. Judge Leavitt holds a Juris Doctor from the University of Tulsa School of Law, a B.S. in Chemical Engineering, a B.S. in Cellular Biology and a B.A. in Psychology, and an M.S. in Environmental Engineering, all from the University of Kansas and is currently pursuing a Ph.D in Environmental Science from Oklahoma State University. Judge Leavitt is a graduate of Leadership Tulsa Class XXVII, serves on the board of Entrepreneurs of Tulsa and the advisory board of the Environmental Science Graduate Program at Oklahoma State University. He also is a member of the Interstate Technology Regulatory Council and serves on the contaminated sediments, metals & radionuclides and biofuel teams.

MARY CANDLER is a Senior Administrative Law Judge at the Corporation Commission's Western Regional Service Office in Oklahoma City.  Judge Candler began service at the Commission in 2011 and served the Commission in its Office of General Counsel as Assistant General Counsel in the Public Utility Section for two years.  Prior to her time at the Commission, Judge Candler was in private practice with the Rainey Law Firm in Oklahoma City.  Additionally, Judge Candler served for many years at Oklahoma City Community College in various positions including Director of Student Relations, Coordinator of Special Events and Adjunct Professor.  Judge Candler is a 2006 graduate with honors of Oklahoma City University School of Law where she was a member of OCU's only legal honors fraternity, Phi Delta Phi, and President of the Native American Law Student Association.  Other academic honors earned in law school were the CALI award in Contracts, faculty honor roll, and dean's honor roll.  Judge Candler received a B.A. magna cum laude from Oklahoma Baptist University and an M.Ed. from the University of Oklahoma.  Judge Candler presides over hearings in a variety of the Commission's jurisdictional areas including public utility, telecommunications, transportation/motor carrier and oil and gas conservation matters.

ANDREW DUNN currently serves as an Administrative Law Judge for the Oklahoma Corporation Commission. He presides over hearings at the Western Regional Service Office and Eastern Regional Service Office. Those hearings include the areas of oil and gas conservation, oil and gas and petroleum storage tank regulatory enforcement, and pollution abatement/environmental remediation. Judge Dunn received his Juris Doctor (JD) from the University of Tulsa College of Law. He attended TU Law on an academic scholarship, achieving induction onto the Faculty Honor Role and Dean’s Honor Role, a CALI Award for Highest Marks in Constitutional Law, and acceptance into Phi Delta Phi Legal Honors Fraternity during the course of his studies. Judge Dunn also worked in the law school’s admissions department as an Admissions Ambassador, served in the TU Law Mentor program, and acted as the Social Vice-Magister of Phi Delta Phi Legal Honors Fraternity. Judge Dunn received his Master of Laws (LLM) from University of Oklahoma College of Law John B. Turner Energy and Natural Resources program. He attended OU Law on academic scholarship, achieving the highest GPA in the program, highest marks in Energy Law, and a Pro Bono Award for completing over 170 hours of community service in a single semester. Additionally, he participated in an in-house corporate practicum offered by Continental Resources Inc. and served as an extern at the Office of Administrative Proceedings within the OCC. Prior to his legal career and during the course of his studies at Davidson College, Judge Dunn was graciously hosted by the family of the former Governor of Casablanca, Morocco during his externship under the Country Chair of Shell du Maroc (Shell Oil Morocco).

ELIZABETH CATES serves as a Senior Administrative Law Judge in the Commission’s Western Regional Service Office. Judge Cates joined the Commission in February 2011 as Assistant General Counsel in the Public Utility Section of the Office of General Counsel. She was promoted to Deputy General Counsel of the Public Utility Section where she served for three years. She joined the Office of Administrative Proceedings in February 2015, and conducts hearings in Oil and Gas Conservation and Public Utility matters. Prior to her employment with the Corporation Commission, she was Assistant General Counsel with the Oklahoma Tax Commission, primarily handling protested business tax matters. Judge Cates received a B.A. magna cum laude from the University of Kentucky, and Juris Doctorate from the University of Kentucky College of Law, where she served as Technical Editor of the Journal of Natural Resources and Environmental Law. She was also a member of the College of Law’s Recruitment Committee, and Group Leader of the Orientation Committee. Judge Cates was a 2008 Oklahoma County Bar Association Community Service Award Recipient, and is a Board Member of the Oklahoma Hall of Fame’s Second Century program.

Eastern Regional Service Office - Tulsa

CURTIS M. JOHNSON is a Deputy Administrative Law Judge for the Oklahoma Corporation Commission and manages the Commission's Eastern Regional Service Office in Tulsa.  Mr. Johnson has been a Judge with the Commission since 1994.  He received a Bachelors of Science degree in Geology from the University of Oklahoma and a Juris Doctorate degree from the University of Tulsa.  Judge Johnson is a member of the Oklahoma Bar Association and participates in the Mineral Law Section of the OBA.  Judge Johnson conducts hearings in the area of oil and gas conservation, oil and gas regulatory enforcement, and pollution abatement/environmental remediation.

KATHLEEN M. MCKEOWN is a Senior Administrative Law Judge in the Eastern Regional Service office of the Corporation Commission in Tulsa. She receive a B.A. from the University of Northern Colorado and a J.D. from the University of Oklahoma. Before relocating to Tulsa in 1990, Judge McKeown spent five (5) years working in the Oklahoma City offices of the Corporation Commission as an oil and gas Assistant General Counsel and an Administrative Law Judge. She was also an Oklahoma Supreme Court Judicial Assistant for the Hon. Ralph Hodges from 1988 through 1989. Judge McKeown conducts hearings in the areas of oil and gas conservation, oil and gas regulatory enforcement and pollution abatement/environmental remediation.