ao link
Who's Who Legal
Who's Who Legal

Global Leader

WWL Ranking: Recommended

WWL says

Steve Spiegelhalter is “an incredibly active” practitioner who earns praise for his understanding of the investigation process.


Steve Spiegelhalter is a managing director with Alvarez & Marsal disputes and investigations practice in Washington, DC and is the North America investigations practice leader. He brings 20 years of investigative experience and has investigated business conduct in over 50 countries. 

Mr Spiegelhalter specialises in investigating alleged political corruption, money laundering, bank and wire fraud, false claims, and other alleged criminal activity. Mr Spiegelhalter also counsels clients on their compliance programs, including companies under external monitorship and self-reporting requirements.

Mr Spiegelhalter’s notable background includes his time as a federal prosecutor with the United States Department of Justice’s criminal division, fraud section, foreign corrupt practices act (FCPA) unit, as an assistant United States attorney, as in-house counsel and compliance officer at a Fortune 40 technology company, and in private law practice at a multinational law firm. 

As a federal prosecutor, Mr Spiegelhalter trained domestic and foreign law enforcement and prosecutors. He was the lead prosecutor in a number of high-profile cases, including the prosecution of a managing director of a global investment bank for violating the bank’s internal controls to bribe a Chinese official. This case announced DOJ’s standard for winning declination despite executive conduct. He was also the first federal prosecutor to use a court-ordered wiretap during an FCPA investigation. As a consultant, he has led forensic investigations into numerous matters under DOJ and SEC investigation, as well as matters under investigation by several foreign governments.

Mr Spiegelhalter earned a law degree from Georgetown University and a bachelor’s degree in international relations from Brigham Young University. He is a member of the American Bar Association, International Bar Association, National Association of Assistant United States Attorneys and the Association of Certified Fraud Examiners. Mr Spiegelhalter regularly speaks and publishes articles on issues involving investigations and compliance.

WWL Ranking: Recommended

Peers and clients say:

"Steve has developed a fantastic practice and is incredibly active"
"He used to be a prosecutor so can bridge divide between knowing what the lawyers need but being able to manage the expert's side"
"I would definitely recommend him and would work with him again"


Steve is a former US federal prosecutor with over 16 years of experience investigating alleged political corruption, money laundering, bank and wire fraud and other criminal activity. Steve’s experience stems from his time as a federal prosecutor with the United States Department of Justice’s criminal division, fraud section and Foreign Corrupt Practices Act (FCPA) unit (2010–2014); as an assistant United States attorney (2006–2010); in the compliance department of a Fortune 30 company; in private law practice at a multinational law firm and at EY. While at DOJ, Steve conducted grand jury investigations, recruited and oversaw cooperating witnesses, and ultimately resolved or charged numerous matters.  Steve resolved a substantial number of corporate cases, including determining net benefit and calculating fines under the US Sentencing Guidelines.  Steve also trained prosecutors and law enforcement from the United States and abroad.

Steve has investigated business conducted in over 45 countries, including allegations relating to alleged violations of laws governing transnational bribery and corruption (including the FCPA and UK Bribery Act), money laundering, revenue recognition, false claims, antitrust, the sale of securities, and mail and wire fraud.  Steve’s experience spans a substantial number of industries, such as financial services, technology and aviation, natural resource exploitation, including oil and gas, iron mining and drilling services, health, life sciences and medical device manufacturing, and government and defense contracting.

Steve regularly appears before DOJ and SEC on behalf of clients currently under investigation.

Law Business Research
Law Business Research Ltd
Meridian House, 34-35 Farringdon Street
London EC4A 4HL, UK
© Law Business Research Ltd 1998-2021. All rights reserved.
Company No.: 03281866