Ethel Energy, Oil & Gas Lawyers

Attorney Leonard Kilgore is an experienced advocate for local, national and international commercial, energy and industrial clients in litigation involving toxic tort claims, personal injury, property damage claims, and class actions.

When Kurt Arnold represents someone, he’s all in. He’s won billions for his clients. In fact, he has recovered more than $1 billion in a single year multiple times and shattered records with his historic verdicts and settlements. He has helped clients recover losses after major maritime disasters such as the Deepwater Horizon and the El Faro. For Kurt, no fight is too difficult or complicated. He refuses to take “no” for an answer. When something bad happens, Kurt fights for his clients, no matter what. He never backs down, no matter how big the challenge. Kurt co-founded Arnold & Itkin...

Matt Smith is an associate in the Baton Rouge office of Kean Miller. He joined the firm in 2013 and practices in the commercial litigation, toxic tort defense, and environmental litigation groups. His work focuses on the representation of oil and gas exploration and production companies, mid-stream companies, and other industry companies in various litigation matters including property damage and contamination, property rights, and commercial and contractual disputes.

Matt has extensive experience guiding clients through claims related to soil contamination, groundwater contamination, air pollution, and the associated regulatory standards. His practice covers a wide range of commercial and litigation issues ranging...

Trey McCowan is a partner in the Baton Rouge office of Kean Miller. He joined the firm in 1989 and practices in the litigation group. Trey represents local, regional and multi-national energy and petrochemical clients in a wide variety of litigation matters. He has specific experience representing clients in litigation involving complex commercial agreements and legacy site litigation in the energy industry. Trey also represents clients with regard to environmental litigation and toxic tort defense. He also advises clients on electronic discovery, e-discovery compliance, electronically stored information (ESI), electronic information management, and retention and destructive policies and procedures.

Trey is listed...

Jason is one of the nation's top trial lawyers for one reason: when he represents a client, he's all in. No matter how tough the fight. No matter how big the challenge. When it matters most, he's there for people who have been wronged. He takes every case personally, treating each client like family while he fights to rebuild their lives.

When people need to win, they call Jason. He's won several verdicts and settlements worth more than $100 million, dozens of results worth more than $10 million, and more than 200 results worth $1 million or more. In total,...

Alan Berteau is a partner in the Baton Rouge office of Kean Miller. He joined the firm in 1995 and practices in the legacy and commercial litigation defense groups. He represents clients in complex and class action litigation matters involving damage claims relating to oil and gas exploration and production operations, commercial disputes, chemical exposure claims, and industrial accidents.

Alan has particular experience representing clients in class action and mass tort cases involving, long-term exposure and groundwater or soil contamination, air releases, and in the use of computer technology, including mapping and litigation support software, in the management and prosecution of...

Mack Gregorie is a partner in the Baton Rouge office of Kean Miller. He joined the firm in 1984 and has extensive experience in all types of business and corporate transactions, including complex commercial and industrial real estate matters and finance. Mack represents major international petrochemical clients, worldwide energy producers, banks and financial institutions, buyers and sellers, landlords and tenants, and lenders. A Certified Public Accountant, Mack lectures frequently on real estate topics such as sales, leases, property law, purchase and sale agreements, and recent developments in real estate law. He is also a title agent for First American Title...

Pam Mascari is a partner in the Baton Rouge office of Kean Miller. She joined the firm in 1997 and practices in the litigation, toxic tort and pipeline defense group. She represents clients in general litigation, oil and gas litigation, intrastate pipeline regulatory matters, environmental litigation, products liability cases, complex pharmaceutical drug litigation, and state and local tax litigation. Pam has extensive experience in the Louisiana energy, petrochemical and manufacturing industry and advises clients with regard to litigation strategy and management in Louisiana courts and regulatory matters before the Louisiana Office of Conservation. Pam also has extensive experience handling complex...

Benn Vincent is a partner at Kean Miller and practices in the firm's litigation group. He represents local, national and international energy and industrial clients in cases involving a wide variety of substantive areas such as tax litigation, oil and gas litigation, NORM, environmental litigation, toxic tort, breach of contract, construction and commercial litigation, and warranty and products liability suits.

Applying his litigation skills outside of the courtroom, Benn was part of a team that negotiated and drafted the contract for the creation of a new oil and gas exploration and production company for one of Louisiana's largest landowners.

Benn is listed...

Randy Young is a partner in the Baton Rouge office of Kean Miller. He joined the firm in 1992 and practices in the areas of energy, telecommunications, utility regulation, pilotage regulation, and also in environmental litigation. Randy has 25 years of experience in electric utility regulation and environmental law.

He has represented industrial manufacturing, refining, and related companies before the Louisiana Public Service Commission (LPSC) and the Federal Energy Regulatory Commission (FERC). He has represented independent generation companies and power marketers in matters before the LPSC and has represented a telecommunications company in multi-state regulatory complaint proceedings. Randy has also represented...

Greg Anding is a litigation partner in the Baton Rouge office of Kean Miller. He joined the firm in 1995 and practices in the trial, toxic tort, expropriation, and commercial litigation groups. Greg represents clients in asbestos and benzene defense, other occupational and toxic tort litigation, hearing loss claims, expropriation (eminent domain) litigation, civil and business litigation, and construction law.

Greg has particular experience representing clients in cases involving premises liability, products liability, personal injury involving occupational and chemical exposures, and pipeline expropriation and expansion projects. He has specialized in asbestos and benzene litigation for over 20 years. Greg has handled...

Jeffrey W. Weiss attended high school at Phillips Academy in Andover, Massachusetts, from which he graduated with honors, and college at Claremont McKenna College in Claremont, California, from which he received a B.A. degree in 1983, graduating magna cum laude, with honors in economics. Upon graduation from Claremont McKenna College, Jeff was admitted to Phi Beta Kappa.

Jeff obtained his Juris Doctorate degree from Tulane School of Law in 1986, from which he graduated summa cum laude. At Tulane, Jeff served as a member of the Tulane Law Review, and was admitted to the Order of the Coif honor society.

Jeff has...

Michael S. Brandner, owner of the Brandner Law Firm, was born in New Orleans, Louisiana. He grew up there and attended Jesuit High School. After graduating from high school, he attended Louisiana State University in Baton Rouge, Louisiana, where he earned his bachelor's degree in political science in 1999. He then went on to study law at the Loyola University New Orleans School of Law where he served on the Executive Board of the Loyola Student Bar Association and was a member of the Loyola University School of Law Board of Trial Advocates. Mr. Bradner received his juris doctor in 2002....

Randy Cangelosi is a partner in the Baton Rouge office of Kean Miller. He practices in the litigation group. Randy represents clients in complex products liability, general litigation, commercial and business litigation, environmental litigation, healthcare issues and related business disputes, medical malpractice defense, telecommunications law and litigation, trademark and intellectual property claims, and personal injury defense. He has trial experience in products liability defense and large commercial litigation matters. He also has experience in NORM, TERM and asbestos cases in the energy industry. Randy also has served client's needs on a national level, obtaining various admissions to the bar in...

Richard McConnell is a partner in the Baton Rouge office of Kean Miller. He is trial counsel for energy and financial companies in high stakes lawsuits involving a wide variety of claims. Prior cases involved soil and groundwater contamination, wetlands loss, toxic tort exposure, lost mineral leasing opportunities, mineral lease cancellation, pipeline right-of-way claims, expropriation/condemnation, and commercial litigation. Richard also serves as appellate counsel arguing before state and federal appellate courts.

Richard’s recent experience includes obtaining a successful verdict as trial counsel for national pipeline companies in a wetlands loss lawsuit involving canals that widened over time, he was lead...

Troy Charpentier is a dedicated and experienced Louisiana Attorney. He joined Kean Miller in 1996, where he works with the Litigation Group in the Baton Rouge office. Troy has successfully represented local, regional and national clients in an array of legal disputes. His practice areas include General Commercial Litigation such as Contract Claims, Lease Disputes and Landlord/Tenant matters. Additionally, Troy advocates for clients with Pipeline Permitting and Incident Response before the Department of Natural Resources. He has extensive experience in Pipeline Expropriation projects. Troy is committed to providing outstanding service and the best possible outcomes.

Troy received a B.A. from Louisiana...

Don Wiener is of counsel for the firm of Wiener, Weiss & Madison. He has more than 25 years of experience in commercial transactions, including corporate, oil and gas law, real estate, commercial lending, title insurance and probate.

Seth Moyers is a shareholder with Wiener, Weiss & Madison. He joined the firm in 2009 and practices primarily in the areas of collections, bankruptcies, and other commercial litigation. Seth has represented both commercial and individual creditors throughout the collections process, including settlements and judicial collection proceedings in both Louisiana State Courts and United States Bankruptcy Courts.

Anna O'Neal is a shareholder with Wiener, Weiss & Madison. She joined the firm in 2017 and practices in the areas of commercial litigation and oil, gas and natural resources. Prior to joining the firm, Anna's practice focused on mineral and property law matters. She also has experience advising on natural gas midstream pipeline issues, political subdivision governance, and zoning and land use matters.

Melissa Hemmans is an experienced Litigation Attorney in Kean Millers's Baton Rouge office. Her practice includes Petrochemical, Manufacturing, Municipal, Civil Rights Defense, Oil and Gas, and Local Business matters. She has extensive experience with cases involving Toxic Tort and Environmental claims. Melissa is dedicated to providing clients with creative solutions, unique strategies, and unparalleled value.

In 1996, Melissa received her B.A. from Louisiana State University. She obtained her J.D. from the LSU Law Center in 1999. Melissa is admitted to practice law in the State of Louisiana, United States Court of Appeals, Fifth Circuit, United States District Courts for the Eastern,...

Kimberly Hymel is an attorney in the Baton Rouge office of Kean Miller. She joined the firm in 2004 and practices in the energy, oil and gas, pipeline and commercial litigation groups. Kimberly represents national and international energy and petrochemical clients in a wide variety of litigation, with particular experience in environmental property damage cases, commercial contractual disputes, and toxic tort litigation. She has also worked extensively on electronic discovery issues, including management of large-scale discovery efforts for multi-national companies and advising clients regarding development and implementation of workable strategies, procedures, and discovery software tools for the collection, review, and...

Patrick Roquemore is an associate attorney in the Baton Rouge office of Kean Miller. He joined the firm in 2005 and practices in the litigation, energy, legacy oil field site, and oil & gas groups. Prior to joining Kean Miller, Patrick was a judicial law clerk for the Twenty-third Judicial District Court for the Parishes of Ascension, Assumption, and St. James. He also served as an attorney for the Louisiana Court of Appeal, First Circuit (Criminal Division). Patrick has extensive experience in all aspects of legal research, including the drafting of opinions, jury instructions, and participating in and assisting in...