LAWYER PROFILE
John Fietkiewicz

John Fietkiewicz

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by Arnold & Porter

USA

Practice Areas

John Fietkiewicz draws on three decades of experience as a federal prosecutor in the District of New Jersey to counsel a wide array of corporate and individual clients in dealing with criminal and civil investigations and litigation. He defends clients in criminal prosecutions and government investigations, conducts internal investigations, counsels on corporate compliance, and litigates complex civil claims. During his career in government and private practice, Mr. Fietkiewicz has personally handled and supervised a variety of white collar matters from the investigative stage through trial and appeal. These cases have involved bank, corporate, health care, securities, and tax fraud; official corruption; antitrust; money laundering; defense contracting; and cybercrime.

As part of the US Attorney's executive team from 2010 until 2018, Mr. Fietkiewicz oversaw the full array of criminal and civil cases handled by the approximately 150 attorneys in the Office. Notably, as Counsel to the US Attorney, he created, implemented, and managed an innovative office-wide criminal trial program through which he supervised all criminal trials and provided advice to all trial teams on legal and evidentiary issues, trial strategy and tactics, witness preparation, witness examinations, and jury arguments. In his many years as a supervisor and Senior Litigation Counsel, Mr. Fietkiewicz trained AUSAs on federal law and practice and in their handling of investigations and prosecutions.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Litigation: White-Collar Crime & Government Investigations - New Jersey

Band 2
Band 2

Individual Editorial
John Fietkiewicz brings a wealth of experience handling both criminal and civil investigations and trials. He is noted for his ability to handle complex white-collar matters on behalf of individual and corporate clients, and is well versed in an array of areas including healthcare, banking and securities.

Strengths

Provided by Chambers

  • John is a very effective advocate. I would trust him to handle the most complex and difficult issues and to do so in a superior manner.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • John was always available when needed and consistently provided clear and practical guidance grounded in his command of the law.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • John is an extraordinary attorney who is an incredible trial lawyer and investigator.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • John is steady, whip-smart and has great judgment.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • John is a phenomenal lawyer and a tactician you want on your side. He is smart, articulate and has a ton of experience. He is great with clients and owns every matter from start to finish.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA

Ranked Individuals at Arnold & Porter (170)

California

Colorado

District of Columbia

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership