Jason C. Marsili is a partner at Rosen Marsili Rapp LLP in Los Angeles. His practice focuses on class and collective wage and hour litigation on behalf of both unrepresented and unionized employees involving violations of the FLSA and state law. Additionally, Marsili handles individual matters concerning medical leaves, employment discrimination, sexual harassment, and wrongful termination, as well as labor-management relations and executive compensation. He teaches negotiation and mediation advocacy courses at USC Gould School of Law. Marsili is an active member of both the American Bar Association (ABA) Section of Labor & Employment Law and the Los Angeles County Bar Association (LACBA) Labor & Employment Law Section. He currently serves as a co-chair of the ABA Federal Labor Standards Legislation Committee. He also serves as an officer on the Executive Committee for the LACBA Labor & Employment Law Section and is a member of the Board of Governors for the Italian American Lawyers Association.

Marsili earned a BA magna cum laude from Washington University in St. Louis, a JD from Pepperdine University School of Law and a MDR from Pepperdine's Straus Institute for Dispute Resolution.