Phillips Nizer LLP | Ilene Jaroslaw
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Ilene  Jaroslaw


White Collar Criminal Defense
Integrity Oversight & Investigations


  • Harvard College, A.B., cum laude
  • Georgetown University, J.D., M.S.F.S, magna cum laude
    • Order of the Coif
    • Associate Editor, Georgetown Law Journal


  • New York
  • Connecticut
  • U.S. Court of Appeals, 2nd Circuit
  • U.S. Court of Appeals, 5th Circuit
  • U.S. Dist. Ct., EDNY
  • U.S. Dist. Ct., SDNY
  • U.S. Supreme Court
Ilene Jaroslaw
Tel: (212) 841-1343
Fax: (212) 262-5152
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Ilene Jaroslaw is Chair of the White Collar Criminal Defense Practice at Phillips Nizer LLP. Ilene brings her finely tuned skills as a former federal prosecutor, investigator, and defense attorney to her representation of corporations, universities, and individuals in civil and criminal litigation. She has particularly deep experience assisting clients with internal investigations, white collar criminal defense, and high-value commercial and securities litigation. As a member of the firm's Integrity Oversight & Investigations practice group, Ilene's expertise includes external and internal investigations of financial institutions, college admissions internal investigations, and sexual misconduct investigations. Having earned many high-profile victories over the course of her career, including before the U.S. Supreme Court, Ilene remains proudest of resolving potentially disruptive government investigations for clients without liability, media attention, or other public disclosure.  

Ilene represents individuals, universities, and businesses in white collar criminal defense matters, internal investigations, and commercial litigation.  As a former Assistant U.S. Attorney (AUSA) for the Eastern District of New York, she investigated and prosecuted hundreds of cases, including taking 30 federal cases to a jury verdict and arguing 30 appeals before the U.S. Court of Appeals for the Second Circuit.  As an AUSA, she investigated a wide range of financial crimes, including securities fraud, insider trading, violations of the Foreign Corrupt Practices Act, money laundering, and health care fraud. 

Ilene has also litigated health care-related matters throughout the U.S. court system for a leading nonprofit advocacy organization, representing physicians and medical practices challenging restrictive state laws.  Her broad legal practice has included such clients as major universities, global financial services corporations, bank executives, and athletes in U.S. Center for SafeSport investigations.  Ilene spent her early career as a litigator at Paul, Weiss, Rifkind, Wharton & Garrison LLP. 
While an Assistant U.S. Attorney, Ilene served as chief of the General Crimes Section, supervising and training more than 200 prosecutors over the course of her tenure.  She also held many other leadership positions, including acting deputy chief of the Criminal Division and Senior Litigation Counsel, and she hosted multiple foreign delegations as the district’s International Coordinator.  Ilene was awarded the Charles E.  Rose Award for Outstanding Service by the Eastern District Association, the Director’s Award for Superior Performance as an AUSA from the U.S. Department of Justice, and the Prosecutor of the Year by the Federal Law Enforcement Foundation, as well as recognition from numerous federal agencies including the Federal Bureau of Investigation, the Internal Revenue Service, the U.S. Postal Inspection Service, the U.S. Treasury Department, the U.S. Department of Veterans Affairs, and the U.S. Department of Health and Human Services.
Ilene is a voting council member of the Criminal Justice Section (CJS) of the American Bar Association (ABA) and served as a panelist on cross-border prosecutions at the ABA’s White Collar Crime Institute in 2017.  In January 2019, she monitored hearings in the Khalid Sheikh Mohammed military commission at Guantanamo Bay, Cuba on behalf of the ABA CJS, and she moderated a panel at the 2019 ABA Annual Meeting on internal investigations.  Ilene also serves as co-chair of the ABA Women in White Collar Committee and as social media coordinator for the New York Chapter of the Women’s White Collar Defense Association (WWCDA).  She sits on the Board of Directors of JALBCA, the Judges & Lawyers Breast Cancer Alert and heads their Grants Committee. 

Peer Review Rating

  • AV Preeminent Rated by Martindale-Hubbell

Professional Memberships

  • Judges and Lawyers Breast Cancer Alert ("JALBCA")
  • American Bar Association
  • Women’s White Collar Defense Association
  • New York Council of Defense Lawyers
  • New York City Bar Association
  • Eastern District Association


  • Selected for inclusion in the Super Lawyers® - New York Metro Edition (Criminal Defense: White Collar) 2020, 2021
  • Crain's New York Business, Notable Women in Law 2020, 2021
  • Law360, White Collar Editorial Advisory Board 2018
  • Diversity Journal, Women Worth Watching 2018
  • Charles E.  Rose Award for Outstanding Service as an Assistant U.S. Attorney, Eastern District Association
  • Director’s Award for Superior Performance as an Assistant U.S. Attorney, U.S. Department of Justice (DOJ)
  • Prosecutor of the Year Award, Federal Law Enforcement Foundation