Westlake Energy, Oil & Gas Lawyers

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...

Mr. Kingsdorf graduated from Tulane University in 1971 and from Tulane University School of Law in 1974. He clerked at the Louisiana Fourth Circuit Court of Appeal for Judges Peter Beer and Ernest N. Morial and then clerked at the Louisiana Supreme Court for Justice Albert Tate, Jr. In 1980, he became a partner in the firm of Cleveland, Barrios, Kingsdorf & Casteix where he remained until 1995 when he co-founded the firm of Barrios, Kingsdorf & Casteix, LLP. In addition to serving as faculty member at numerous seminars, he has lectured at the Tulane University School of Law...

Karen Waters Shields is a partner in the New Orleans office of Kean Miller. Karen is an experienced litigator with particular experience in a wide variety of admiralty and oil & gas casualty issues, including Jones Act, personal injury, oil and gas exploration, well blowouts, cargo damage, vessel collisions, vessel damage, platform damage and barge damage. Her experience with oil and gas casualties is both offshore in the Gulf of Mexico and on land. Karen also has experience in construction law, consumer credit reporting, products liability, and general personal injury litigation. Following law school, she served for one year as...

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...

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...

Yuxian Wang practices in toxic tort litigation, oil and gas litigation, asbestos litigation and hearing loss litigation. Yuxian has extensive experience in defending the petrochemical and manufacturing industries in lawsuits claiming chemical exposure. She has particular expertise in litigation involving the vinyl chloride industry including litigation related to allegations of cancer and other injuries arising from vinyl chloride exposure, as well as litigation related to alleged exposure to ethylene dichloride. She represents industrial clients in defending asbestos and hearing loss claims. She also works with oil exploration and refining companies in lawsuits by landowners claiming property damages related to oil...

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...

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...

John M. Madison, Jr. was a founding member of Wiener, Weiss & Madison and has practiced law continually with the firm since 1975. His practice includes commercial litigation, construction law, oil and gas law, with emphasis on representation of mineral owners, business law and employment law. His experience ranges from the representation of the owners of small businesses to national corporations.

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...

Julie Silbert is special counsel in the New Orleans office of Kean Miller. She joined the firm in 1994 and practices in the environmental law and commercial litigation groups. Julie has extensive experience in the Louisiana energy, petrochemical and manufacturing industry and works with clients regarding litigation strategy and litigation management. She has experience in litigation involving complex commercial matters, casualty, toxic mold, NORM litigation, and environmental contamination.

Julie earned her B.A., summa cum laude, from Tulane University. She earned her J.D., cum laude, from Tulane University Law School in 1984. Julie was a recipient of a Thomas J. Watson Fellowship...

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...

Scott Zimmer is a partner in the Shreveport office of Kean Miller and practices in the commercial litigation group. He assists clients in all manner of litigation, including commercial, environmental, transportation, gaming industry litigation, and complex personal injury matters.

Scott is AV-rated by Martindale-Hubbell. He is listed in Louisiana Super Lawyers 2018 - 2019.

Scott earned his B.S. from the University of Southwestern Louisiana in 1994. He earned his J.D. from the University of Houston Law Center in 1998.

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,...

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.

Christopher L. Williams focuses his practice on complex employment litigation, including cases involving violations of wage-and-hour laws, employment discrimination, sexual harassment, retaliation, unpaid wages, breach of contract, whistleblower claims, and non-compete issues. After working for some of the nation’s largest labor-and-employment law firms, he opened his own practice in 2014 to concentrate on protecting the rights of workers and employees. Mr. Williams draws on his previous experience representing employers to provide legal advice to individuals regarding potential claims and legal remedies under state and federal employment laws. Mr. Williams has litigated a wide variety of employment issues in...

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.

Russell Dickson is an associate with Wiener, Weiss & Madison. He practices in the areas of Business law, Oil & Gas Law, Real Estate Law, Probate and Succession Administration, and Commercial Litigation. At the firm, he has experience in litigation and transactional work representing landowners and business owners in Northwest Louisiana.