Gregory Pius DiLeo

Gregory Pius DiLeo

Managing Partner since 1980
New Orleans, Louisiana

Self Employed, Managing Partner/Attorney - 1980 - Present

The focus of the firm's practice has consisted of personal injury cases since its inception. Since 2005, the focus of the firms practice has also included Hurricane related property damage claims, Hurricane related wrongful death claims, and class actions/mass torts.

Mr. DiLeo, since his admission to practice in 1980, has engaged in civil litigation, has tried several jury trials, bench trials in personal injury cases, and has obtained the reversal and/or affirmation of cases involving the expansion of personal injury damages before the state appellate courts (Broome v. Gauthier, ((La. App., 4th Cir. 11/10/83) 443 So.2d 1127, (successfully extending mental anguish damages to uninjured victims, owners of property damages, who are present to see and experience the destruction of their property); and State Supreme Court (Jones v. Thomas, ((La. 1983)) 426 So.2d 609, holding that workmen’s compensation tort immunity does not extend to and exclude all intentional acts).

Mr. DiLeo's involvement in class action and mass joinder cases has provided him with expertise in case management, fact and expert discovery, steering committee administration, the proof of claim process, class action/mass joinder trials, and the role, mechanism and operation of Plaintiff Steering Committees.

Mr. Di Leo maintains an AV rating with Martindale-Hubbell (

Year Joined Firm

  • 1980

Areas of Practice

  • 80% Personal Injury
  • 10% Insurance Litigation and Bad Faith Insurance Practices
  • 2% Premises Liability
  • 5% Class Actions
  • 3% Environmental and Toxic Torts

Litigation Percentage

  • 100% of Practice Devoted to Litigation

Bar Admissions

  • Louisiana, 1980
  • U.S. Court of Appeals 5th Circuit, 1980
  • U.S. District Court Eastern District of Louisiana, 1980


  • Louisiana State University Law Center, Baton Rouge, Louisiana
    • J.D. - 1980
    • Honors: Moot Court Board Advisor
  • Louisiana State University, Baton Rouge, Louisiana
    • B.A. - 1977
    • Major: English/Creative Writing


  • "Effective Mediation Techniques and Presentations", Mediation & Professional Services, Inc., 2008
  • "Litigating Bad Faith Insurance Claims", National Business Institute, 2011

Honors and Awards

  • AV rating with Martindale-Hubbell

Professional Associations and Memberships

  • Louisiana Association for Justice (LAJ), Board of Governors, 1981 - 2012
  • American Bar Association, Member, 1981 - 2012

Past Employment Positions

  • Louisiana Trial Lawyers Association, Board of Governors, 1996 - 1997

Pro Bono Activities

  • St. Vincent de Paul Society, St. Pius X Conference President, 1999 - Present
  • Ozanam Inn, Board of Directors, Vice-President, 1999 - Present


  • Delta Theta Phi
Louisiana SL 2020 iLeo