David R. Frohn

David Rieveschl concentrates his practice in the areas of corporate, mergers and acquisitions, and securities law. His practice includes structuring public and private sales of equity and debt instruments and advising clients on compliance with federal and state securities laws. David regularly counsels established and emerging companies on issues affecting legal structure, intellectual property rights and venture capital financing, with particular focus on technology, life sciences, natural ...

Ashley B. Robinson is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Ashley B., who practices law in New Orleans, Louisiana, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ashley B. is held by other top lawyers in the same geographic and legal practice area.

Scott Zander is a partner in the Corporate Practice Group, where he focuses his practice on tax-exempt and taxable finance structures for governmental, non-profit, and corporate clients. In addition to serving as bond counsel in municipal and corporate debt offerings, Scott represents borrowers, developers, underwriters, and trustees in various corporate, project, and structured financings. He also advises clients on economic development projects in Louisiana. In particular, Scott has extensi...

Sean Mount defends corporate clients and insurance companies in a variety of litigation claims that can arise as a result of today’s competitive legal environment. With a special interest in defense litigation, Sean Mount enjoys addressing client problems and crafting a solution that is best suitable for their business. Building upon his extensive courtroom experience, he has successfully litigated a variety of matters in Louisiana, Mississippi, and Texas for various corporate and insur...

Marjorie A. McKeithen is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Marjorie A., who practices law in New Orleans, Louisiana, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marjorie A. is held by other top lawyers in the same geographic and legal practice area.

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...

Scott O’Connor’s practice focuses on oil and gas and complex commercial litigation. He has litigated and arbitrated numerous disputes involving onshore and offshore operating agreements, royalty claims, gas balancing agreements, oil and gas purchase contracts, farmout agreements, preferential purchase rights, and purchase and sale agreements. He has defended national and state class actions involving oil and gas pricing practices including antitrust litigation, and has represented...

Joanne Rinardo defends clients in employment and constitutional claims and is best known for litigation involving Title VII, Age Discrimination in Employment Act, Americans with Disabilities Act, Fair Labor Standards Act, and Family Medical Leave Act, as well as general employment claims. Ms. Rinardo has defended 60 EEOC and/or comparable state agency charges in a tri-state area over a two-year period with no findings of “cause” issued against the client. She also advises clients ...

M. H. Gertler is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. M. H., who practices law in New Orleans, Louisiana, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which M. H. is held by other top lawyers in the same geographic and legal practice area.

Brad Belsome handles matters involving transportation law, specifically within the Rail Industry. He has represented a Class I Carrier in actions brought in the State and Federal courts of Louisiana, as well as before the United States Court of Appeals for the Fifth Circuit, Court of Federal Claims, Office of Administrative Law Judges, OSHA, including: claims prosecuted pursuant to the Federal Employers Liability Act (FELA), 45 U.S.C. § 51 et seq. (1908), the Federal Rail Safety Act (FRS...