Longleaf Environmental 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.

Blake R. David was raised in Lafayette and is a founding partner of Broussard & David, LLC. Mr. David focuses on personal injury and wrongful death litigation with an emphasis on offshore/maritime, trucking accident, aviation, products liability, industrial accident, and automobile claims. Mr. David is an "AV" rated attorney by Martindale-Hubble (highest rating possible). Mr. David is board certified by the National Board of Trial Advocacy in Civil Trial Advocacy. Mr. David is also an Advocate in the American Board of Trial Advocates (ABOTA).

Mr. David has been recognized by Louisiana Super Lawyers in the field of personal injury law, and...

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...

Lauren Rucinski is an associate in the Baton Rouge office of Kean Miller. She joined the firm in 2016 and practices in the environmental law and intellectual property group.

Lauren helps clients understand which environmental regulations apply to new facilities and processes. Her practice focuses on permitting, compliance, litigation and transactional issues, as well as rulemaking efforts at both the state and federal level. She advises a wide range of clients including petrochemical facilities, oil refineries, natural gas terminals, glass manufacturers, and commodity processing plants.

Lauren helps clients protect and maximize the value of their businesses' intellectual property by advising them on...

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...

Beau practices in his own private law firm of Brock & Palmintier Law, LLC, and his main areas of focus include criminal law, family law, environmental law, DWI and car accidents. Previously, he worked at the private law firm of Manasseh, Gill, Knipe & Belanger from 2011-2019. Before entering private practice, he was employed at LDEQ as a member of the Secretary’s Executive Staff from 2008-2011. From March 1999–Feb. 2008, he worked as Regional Criminal Enforcement Council for the Environmental Protection Agency, and provided in-house legal oversight to all Federal criminal investigations conducted in Louisiana by the EPA-Criminal...

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...

Chelsea Gomez Caswell is an associate in the Baton Rouge office of Kean Miller. She joined the firm in 2013 and practices in the labor and employment and litigation groups. She represents employers in a variety of labor and employment matters in state and federal courts and before the United States Equal Employment Opportunity Commission (EEOC), and the Louisiana Commission on Human Rights (LCHR), including EEOC charges; discrimination, harassment, and retaliation litigation; litigation of disputes related to non-competition agreements; and wage and hour claims. Chelsea assists clients with employee handbooks, company policies, employment contracts, and in day-to-day counseling. She has...

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...

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...

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...

John Funderburk is a partner in the Baton Rouge office of Kean Miller and practices in the litigation and construction groups. He represents clients in energy, commercial, environmental, transportation, and construction litigation in both state and federal courts. Prior to joining the firm, John practiced with a global law firm from its Houston, Texas office.

John has represented both individuals and corporations in complex environmental litigation, contract disputes, maritime actions, personal injury and wrongful death lawsuits, deceptive trade practices claims, and oilfield contamination litigation. In addition, he coordinates with clients and experts to respond quickly to accidents and incidents across the...

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...

Gayla Moncla is a partner in the Baton Rouge office of Kean Miller and practices in the areas of toxic tort and environmental litigation, premises liability, and commercial litigation. She has more than 25 years of experience in the chemical and petrochemical industries, defending workplace accidents, chemical exposure cases, products liability cases, as well as advising clients regarding workplace safety issues and OSHA regulations. Gayla also has experience in retail premises litigation having defended retail clients for over 25 years.

Gayla earned her B.S. from Louisiana State University in 1973. She earned her J.D. in 1989 from the LSU Law Center...

Shane Sandefer is a partner in the Baton Rouge office of Kean Miller. He practices in the business transactions and environmental law groups and is a Registered Professional Engineer. Shane represents local, regional, and national clients in a variety of real estate, finance, and environmental matters including, industrial and commercial real estate transactions, title insurance matters, general preparation and negotiation, regulatory proceedings, wetlands permitting, wetlands mitigation, and state and federal environmental advice. Prior to law school, Shane was a project engineer for Turner Environmental and a senior staff engineer for URS. He also served as an assistant project manager for...

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...