William D. "Bill" Aaron, Jr.

William D. "Bill" Aaron, Jr.

Aaron & Gianna, PLC

Recognized since 2008

New Orleans, Louisiana

Practice Areas

Litigation - Municipal

Municipal Law

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William D. Aaron, Jr. is the Managing Shareholder of the firm of Aaron & Gianna, PLC with offices in New Orleans, Louisiana. Prior to joining his current firm he was a Partner in the regional firm of Phelps Dunbar, LLP. Mr. Aaron is a graduate of Duke University and Loyola University School of Law. He is admitted to legal practice in Louisiana, Texas and the District of Columbia.

Mr. Aaron has over forty (40) years of legal experience in the private and public sectors, and is a former City Attorney for the City of New Orleans, Assistant District Counsel for the U. S. Small Business Administration, Special Assistant Attorney General for the State of Louisiana and Special Prosecutor for the Orleans Parish District Attorney's Office. He concentrates his practice in the areas of complex and high profile civil and commercial litigation, state and municipal government, professional liability, banking, insurance, real estate, constitutional law, legal ethics and general business.

Mr. Aaron is a frequent lecturer on law and law related topics, and has served on the adjunct faculties of Loyola University’s College of Business Administration as well as its School of Law. Since 1991 he has served on the faculty of the National Institute for Trial Advocacy (NITA) Trial Skills Program as well as its Deposition Program.

Mr. Aaron is listed in the Best Lawyers in America, Louisiana Super Lawyers and Super Lawyers Corporate Counsel Edition. He holds an AV Martindale-Hubbell peer review rating. In 2008 and again in 2012 Mr. Aaron received the New Orleans CityBusiness Newspaper’s Leadership in Law Award.

Mr. Aaron is active in bar related activities, and is a former Member and Chairman of the Louisiana Attorney Disciplinary Board.

Mr. Aaron is prominent in local and regional business circles. He has served on the Board of Directors of the New Orleans Chamber of Commerce (Chairman 2012), the Executive Board of the Jefferson Business Council (Chairman 2016) and the Board of Directors of Greater New Orleans, Inc.

Contact & Links


  • 201 Saint Charles Avenue, Suite 3800
    New Orleans, LA 70170


  • Loyola University New Orleans , J.D., graduated 1977
  • Duke University , AB, graduated 1972

Bar Admissions

  • District of Columbia, The District of Columbia Bar
  • Texas, State Bar of Texas
  • Louisiana, Louisiana State Bar Association


  • American Board of Trial Advocates - Member
  • District of Columbia Bar Association - Member
  • Jefferson Business Council - Member
  • Louisiana State Bar Association - Member
  • New Orleans Chamber of Commerce - Board Member (Chairman 2012)
  • New Orleans Metropolitan Association of Title Attorneys - Member
  • State Bar of Texas - Member
  • Visiting Committee - Loyola Law School - Emeritus Member

Aaron & Gianna, PLC
Headquarters: New Orleans, Louisiana

1 The Best Lawyers in America® awards

Best Law Firms Badge
Full Firm Profile

Recognized in The Best Lawyers in America® 2022 for work in:

  • Litigation - Municipal
  • Municipal Law

Special Focus

  • Defense
  • Finance
  • Litigation
  • Public Utility
  • Tort


  • New Orleans City Business Newspaper Driving Force Award (2015)
  • New Orleans City Business Newspaper Leadership in Law Award (2008, 2012)
  • National Diversity Council Multicultural Leadership Award (2012)

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