Philip R. Riegel, Jr.

A partner of Montgomery Barnett, John Pearce is engaged in general civil practice concentrating in energy (oil and gas) and environmental law for a variety of clients both corporate (international, national, regional and local) and individual. With broad experience in civil litigation and corporate, partnership, environmental, banking, securities and contract law including interpretation, negotiation and preparation of a wide variety of contracts, Mr. Pearce has handled or participated in a b...

Frank Accardo is a founding member of the firm. He has been engaged in trial and appellate product liability litigation for over 30 years. His primary practice responsibilities include serving as managing counsel for the defense of asbestos personal injury litigation pending nationwide. Mr. Accardo was a licensed engineer engaged in the design and construction of offshore oil and gas platforms before starting his legal career.

Katherine Karam is a partner in the firm’s insurance and reinsurance practice. For over two decades, she has served as local, regional (Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee and Texas), and national coverage counsel for both foreign and domestic insurance companies. She counsels clients, resolves coverage disputes and manages litigation involving insurance issues under state laws in all regions of the United Stat...

Avery Pardee is a partner in the Litigation Practice Group. She is a career defense attorney and represents clients in white collar criminal matters, internal and government investigations, and commercial litigation. Avery has significant experience defending and advising individuals as well as publicly traded companies, private businesses, and other entities with respect to internal investigations, government and grand jury investigations, criminal prosecutions, parallel proceedings, regulat...

Mr. Colbert is a Louisiana Board Certified Tax Law Specialist and his practice is dedicated to matters of taxation. He joined Stone Pigman in 1997 and was admitted to the bars of Louisiana and Mississippi in 1978 and of the District of Columbia in 1979.

Mr. Holmes has more than 25 years of experience as a business lawyer, representing clients in arbitration and litigation as well as handling transactional matters. He also represents franchisors with respect to disclosure, relationship and termination issues. Mr. Holmes also helps clients in the matters of business organization, contracts, directors’ and officers’ liability, bankruptcy and intellectual property as well as trusts and estates. Mr. Holmes is an Eagle Scout and remain...

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.

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...

Stuart Richeson is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Stuart, who practices law in New Orleans, Louisiana, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stuart is held by other top lawyers in the same geographic and legal practice area.

Steve has practiced in the commercial litigation and bankruptcy areas for 40 years. His practice centers around the oil and gas and maritime industries. He has represented oil field service providers, vessel providers, aviation interests, geopositioning companies, shipyards and lease interest owners in bankruptcy matters in Texas, Louisiana, Mississippi, and Delaware. Steve has also represented pipeline interests and property owners in environmental litigation. Since 2013, he has taught Inter...