Harold J. Flanagan

Mike Phillips serves as Chair of Kean Miller ’s Energy and Environmental Litigation practice group and represents clients in complex, high-stakes litigation in state and federal courts, including trials and appeals. Based in New Orleans, Louisiana, his practice focuses on matters involving single- and multi-plaintiff claims, class actions, multi-district litigation, and Mass Tort Litigation / Class Actions – Defendants . While his work frequently involves the energy sector, he als...

Johanna Lambert is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Construction Law. Johanna practices law in New Orleans, Louisiana Best Lawyers has recognized Johanna Lambert since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Johanna Lambert is held by other lawyers.

Craig Isenberg is a trial and appellate lawyer focusing on complex litigation matters, including commercial disputes, mass and toxic torts, environmental, product liability and securities matters. Craig has extensive trial experience in high-stakes litigation—trying jury and bench trials in Louisiana and across the country. He has tried a significant Clean Water Act case against the Department of Justice, dozens of toxic tort trials involving hundreds of plaintiffs, and a variety of com...

Katherine Clark is a lawyer recognized by Best Lawyers in the practice areas of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Katherine practices law in New Orleans, Louisiana Best Lawyers has recognized Katherine Clark since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Katherine Clark is hel...

Steven I. Klein is a lawyer recognized by Best Lawyers in the practice areas of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law, Franchise Law, Litigation - Real Estate, Litigation - Trusts and Estates, Litigation and Controversy - Tax, Nonprofit / Charities Law, Real Estate Law, Tax Law and Trusts and Estates. Steven I. practices law in New Orleans, Louisiana Best Lawyers has recognized Steven I. Klein since 2007. The Best Lawyers re...

Chris Friend is a partner in the Litigation Practice group. He represents oil and gas and chemical companies in commercial and class action disputes, regulatory investigations, and law-enforcement actions. Chris represents upstream and midstream oil and gas companies, chemical companies, service providers, and contractors across the country in all aspects of regulation and litigation, including property damage, accidents, and insurance claims, toxic tort and bodily injury claims, environmenta...

Aimee Hebert helps clients in the energy business solve their challenging legal problems. Her experience includes disputes that involve mineral royalties, mineral lease termination, implied obligations, mineral servitude maintenance, operating agreements, production handling agreements, blowouts, and oilfield environmental issues. She represents both individuals and businesses and gets excellent results. Ms. Hebert has been recognized in the Best Lawyers in America® ranking every year sin...

Ms. Johnson is active in the defense of complex environmental, toxic tort, chemical exposure, carbon monoxide, insurance coverage, medical monitoring, naturally occurring radioactive material (“NORM”) occupational injury cases, oyster, oil spill, pesticide, personal injury, property damage, and class action litigation. She also has an active mediation and appellate practice in the same areas. Ms. Johnson has particular abilities in defending premises owners, employers and their executive offi...

Jamie L. Berger is a member of the firm and serves as the firm’s hiring partner. Clients have praised Jamie for her "out-of-the-box solutions to complicated legal problems" and "impeccable judgment." Jamie practices in all aspects of complex litigation. She has litigated, arbitrated, and advised clients in a variety of areas, including securities, corporate governance, contract disputes, and government and regulatory investigations. Her clients come from a range of industries, including...

David D. Haynes is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. David D. practices law in New Orleans, Louisiana Best Lawyers has recognized David D. Haynes since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David D. Haynes is held by other lawyers.