Mark S. Olinsky

Mark S. Olinsky

Newark, NJ recognized lawyers icon Recognized in Best Lawyers since 2007
Sills Cummis & Gross PC

52 Best Lawyers awards

Sills Cummis & Gross PC logo

Awarded Practice Areas

Commercial Litigation Criminal Defense: White-Collar Litigation - Regulatory Enforcement (SEC, Telecom, Energy)

Biography

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 defense. His courtroom experience includes many jury and bench trials, arbitrations and appeals, and his expertise includes defense of federal and state RICO actions.

Sills Cummis & Gross PC

52 Best Lawyers awards

Sills Cummis & Gross PC logo

Overview

  • Harvard University, J.D
  • Yale University, B.A.

  • New Jersey, New Jersey
  • New York, New York
  • New Jersey, New Jersey
  • New York, New York
  • Harvard University, J.D
  • Yale University, B.A.

Client Testimonials

Mark Olinsky is incredibly smart with great client skills which make a client confident.

Barry Ostrowsky (Saint Barnabas Health Care System)

Awards & Focus

Lawyer of the Year Badge - 2024 - Litigation - Regulatory Enforcement (SEC, Telecom, Energy) Lawyer of the Year Badge - 2022 - Litigation - Regulatory Enforcement (SEC, Telecom, Energy) Lawyer of the Year Badge - 2015 - Litigation - Regulatory Enforcement (SEC, Telecom, Energy)
Named "Lawyer of the Year" by Best Lawyers® for:
  • Litigation - Regulatory Enforcement (SEC, Telecom, Energy), Newark (2024)
  • Litigation - Regulatory Enforcement (SEC, Telecom, Energy), Newark (2022)
  • Litigation - Regulatory Enforcement (SEC, Telecom, Energy), Newark (2015)
Recognized in The Best Lawyers in America® 2026 for work in:
  • Commercial Litigation
  • Criminal Defense: White-Collar
  • Litigation - Regulatory Enforcement (SEC, Telecom, Energy)
Special Focus:
  • Complex Litigation
  • Health Care
  • Large Case Litigation
  • White-Collar Criminal Defense

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