Mark S. Olinsky

Mark S. Olinsky


Mark S. Olinsky has been a civil and criminal trial lawyer for more than thirty years. He served as a federal prosecutor in the Office of U.S. Attorney Samuel A. Alito, Jr. and is Past President of the Association of the Federal Bar of New Jersey. Mr. Olinsky's diverse caseload includes complex business disputes, health care litigation, complex commercial landlord-tenant litigation, and white-collar criminal defense. His courtroom experience includes many jury and bench trials, arbitrations and appeals, and his expertise includes defense of federal and state RICO actions.

He has conducted numerous corporate internal investigations and has represented both individuals and corporations in a wide variety of government investigations, particularly in the health care and pharmaceutical industries. He has successfully represented large health care systems and high-level executives in recent investigations involving alleged violations of the False Claims Act, the Anti-Kickback Statute, and other federal health care statutes and regulations.

Chambers USA® Guide to America's Leading Lawyers for Business describes Mr. Olinsky as "incredibly bright," “a sophisticated trial attorney and very thoughtful and strategic thinker," and "an excellent, highly intelligent lawyer who can successfully turn his hand to almost anything." 

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Court Admissions

U.S. District Court, District of New Jersey
U.S. District Court, Southern District of New York
U.S. District Court, Eastern District of New York
U.S. District Court, Northern District of New York
U.S. District Court, Western District of New York
U.S. Court of Appeals, Second Circuit
U.S. Court of Appeals, Third Circuit
U.S. Supreme Court



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Rankings & Recognition

Selected for inclusion in:

  • Chambers USA®* 2010-2021, New Jersey Litigation: White-Collar Crime & Government Investigations 
  • Benchmark Litigation: America’s Leading Litigation Firms and Attorneys®* 2016-2022
  • The Best Lawyers in America®* 2007-2022, Commercial Litigation; Litigation - Regulatory Enforcement (SEC, Telecom, Energy); Criminal Defense: White-Collar
  • The Best Lawyers in America®*, Newark "Lawyer of Year" 2015 and 2022, Litigation – Regulatory Enforcement (SEC, Telecom, Energy)
  • New Jersey Super Lawyers®* 2006-2021, Business Litigation; Criminal Defense: White Collar; Health Care
  • New Jersey Super Lawyers®* "The Top 100 Lawyers" 2017-2018
  • New York Metro Super Lawyers®* 2006, 2020-2021, Business Litigation; Criminal Defense: White Collar; Health Care
  • Martindale-Hubbell®*  AV rating

Received Professional Lawyer of the Year Award, as selected by the Association of the Federal Bar of New Jersey and the New Jersey Commission on Professionalism in the Law, in 2019.

* See Award Methodology. No aspect of this advertisement has been approved by the Supreme Court of New Jersey.


Professional Affiliations

Past President, The Association of the Federal Bar of New Jersey
Trustee, The Historical Society of the United States District Court for the District of New Jersey
Trustee, Harvard Law School Association of New Jersey
Trustee, Yale Club of Central New Jersey
Trustee and Vice President, U.S. Attorney's Alumni Association of New Jersey
Fellow, American Bar Foundation
Member, Association of Criminal Defense Lawyers of New Jersey
Member, Section on Litigation, American Bar Association
Member, Section of Criminal Justice, American Bar Association
Member, New Jersey State Bar Association
Member, American Health Lawyers Association
Member, Fraud and Abuse Practice Group, Enforcement Committee

Community Affiliations

Member, Essex Chain Gang Cycling Club