David W. O'Quinn

Michael S. Williams is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Litigation - Labor and Employment. Michael S., who practices law in New Orleans, Louisiana, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael S. is held by other top lawyers in the same geographic and legal practice area.

John T. Balhoff, II, a member of the firm, was born in Baton Rouge, Louisiana in 1971. He attended college at the University of Notre Dame and graduated from there, cum laude, in 1993, receiving a Bachelor of Business Administration degree in finance. Mr. Balhoff received his Juris Doctor degree from the Paul M. Hebert Law Center at Louisiana State University in 1996. Mr. Balhoff presently is admitted to the Louisiana Bar and he also is admitted to practice before all United States District C...

John “Trip” McCormick protects clients’ legal interests while supporting their business growth. He focuses on commercial and construction litigation, aggressively defending contractual claims, pursuing unpaid debts, and helping clients manage risk and resolve conflicts. Trip represents architects, engineers, contractors, and suppliers in state and federal courts and arbitrations involving public works, commercial projects, and catastrophic structural failures. His practice a...

Mike Magner is a partner in the Litigation Practice Group. An acclaimed former federal prosecutor, he delivers practical advice and offers a steady hand to clients facing a wide range of commercial disputes, internal investigations, and white collar criminal matters. Mike is a preeminent, highly respected trial attorney and Fellow of the American College of Trial Lawyers. Drawing on his more than 40 years of experience handling complex criminal and civil matters — including nearly 50 ju...

Heather LaSalle Alexis is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Heather LaSalle, who practices law in New Orleans, Louisiana, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Heather LaSalle is held by other top lawyers in the same geographic and legal practice area.

Michael L. Eckstein is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law, Commercial Transactions / UCC Law and Tax Law. Michael L., who practices law in New Orleans, Louisiana, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael L. is held by other top lawyers in the same geographic...

Lauren Mastio is a partner in the Litigation Practice Group and a member of the board of directors. She handles all aspects of litigation, with a focus on the energy and construction industries. Lauren advises and represents oil and gas industry clients on matters concerning property contamination and restoration; downhole issues; land loss and subsidence; the rights and obligations of parties to joint operating agreements, oil, gas, and mineral leases, surface leases, oil and gas asset purch...

As a member of Lugenbuhl's Admiralty & Maritime Group, Adelaida (Adi) Ferchmin focuses on advising clients in a wide variety of maritime, insurance, and energy matters. When working with her clients, Adi uses her knowledge of Spanish, Polish and Croatian to assist clients with international transactions and matters involving foreign entities or witnesses. Growing up in San Juan, Puerto Rico Adi has a thorough understanding of not only the languages, but barriers that can be brought on by ...

Joseph Lassalle is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Joseph, who practices law in Metairie, Louisiana, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph is held by other top lawyers in the same geographic and legal practice area.

Robert W. Rachal is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law, Employment Law - Management and Litigation - ERISA. Robert W., who practices law in New Orleans, Louisiana, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert W. is held by other top lawyers in the same geographic and legal practice area.