Posner & Rosen LLP is now Rosen Marsili Rapp LLP

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Jason C. Marsili
  • Partner


Los Angeles, CA





Jason C. Marsili obtained his Juris Doctor and his Masters of Dispute Resolution from Pepperdine University School of Law in 2004. While at Pepperdine University, Mr. Marsili served as the Editor-in-Chief of the Pepperdine Law Review and competed as a member of Pepperdine's nationally renowned trial advocacy program.

He is a member of the American Bar Association and the Los Angeles County Bar Association. He is also a member of the Order of Barristers, a national honor society recognizing excellence in courtroom advocacy.

Mr. Marsili earned his B.A. magna cum laude from Washington University in St. Louis.

Areas of Practice

  • Wage and Hour
  • Employment Discrimination
  • Wrongful Termination
  • Sexual Harassment
  • Retaliation

Bar Admissions

  • California, 2004
  • Illinois, 2006
  • U.S. District Court Central District of California
  • U.S. District Court Southern District of California
  • U.S. Court of Appeals 9th Circuit
  • U.S. Court of Appeals 3rd Circuit


  • Pepperdine University School of Law, Malibu, California
    • Masters of Dispute Resolution - 05/2004
    • Honors: Competed as a Member of Pepperdine's Nationally Renowned Trial Advocacy Program
  • Pepperdine University School of Law, Malibu, California
    • Juris Doctor - 05/2004
  • Washington University in St. Louis, St. Louis, Missouri
    • B.A. - 05/2001
    • Honors: magna cum laude
    • Honors: Ervin Scholar
    • Honors: Thurtene Honorary
    • Major: Economics
    • Major: Social Thought & Analysis
    • Minor: Business


  • Mock Trial, UCLA BLSA, 2006 to Present

Honors and Awards

  • Southern California Rising Star
  • Order of Barristers, Member

Professional Associations and Memberships

  • American Bar Association, Member, 2004 to Present
  • Los Angeles County Bar Association, Member, 2004 to Present


  • Sigma Chi