Michael E. Hantman, a former Assistant Attorney General, is a litigation lawyer in Holland & Knight's Miami office. Mr. Hantman focuses principally on white collar criminal defense, internal corporate investigations, compliance counseling and complex business litigation.

Mr. Hantman assists companies and individuals to investigate, respond to and defend against government scrutiny, whistleblower complaints and enforcement actions involving allegations of bribery, fraud, accounting misrepresentations, kickbacks, money laundering and other ethical lapses. He regularly helps companies design, implement and enforce comprehensive compliance and training programs throughout the enterprise to reduce their potential legal exposure.

Prior to joining Holland & Knight, Mr. Hantman was a criminal appellate assistant attorney general for the state of Florida. At the Office of the Attorney General, Mr. Hantman authored more than 150 briefs, state court responses and federal habeas corpus responses, and argued 39 appeals before the Third District Court of Appeal, including the first en banc hearing held in several years. See Kasischke v. State, 946 So. 2d 1155 (Fla 3d DCA 2006). Significant victories included defeating a petition for writ of certiorari in a first-degree murder case, defeating an emergency petition for writ of habeas corpus in a first-degree murder conspiracy case and winning certification to the Florida Supreme Court of a conflict between the Third District and First District Courts of Appeal. See Galindez v. State, 910 So. 2d 284 (Fla. 3d DCA 2005).

Representative Experience

  • Led an internal investigation of allegations of public corruption and malfeasance for a Florida municipality regarding the construction of a public park; findings presented publicly at City Council meeting
  • Conducted an internal investigation of pharmaceutical sales and marketing practices for a Fortune 100 company subject to various criminal and civil investigations involving multiple U.S. Attorneys' offices and multiple investigative agencies 
  • Co-led an internal investigation of a large private equity firm that allegedly operated a Ponzi scheme and engaged in accounting fraud; the firm was subject to various investigations involving multiple criminal and civil federal and state agencies
  • Led an internal investigation of a large medical services provider concerning allegations of improper Medicare billing and risk-score manipulation; employee interviews largely conducted in Spanish
  • Conducted an internal investigation of a Fortune 50 multinational financial services company regarding allegations that it defrauded a prominent customer
  • Conducted an internal investigation into potential Foreign Corrupt Practices Act (FCPA) offenses as part of the due diligence relating to the sale of a multinational energy corporation's Latin American subsidiary
  • Conducted an internal investigation for a large drug and alcohol rehabilitation and sober home company of allegations involving kickbacks, patient brokering and medical necessity
  • Conducted an internal corporate investigation of a biotech company regarding allegations of unlawful manufacturing of controlled substances by the U.S. Drug Enforcement Administration (DEA) in violation of the Controlled Substances Act
  • Led an internal investigation for a large private equity firm regarding allegations of embezzlement and fraud by a top executive at one of its portfolio companies
  • Conducted an internal investigation of a Fortune 50 multinational investment bank and financial services corporation of a personal relationship between a bank executive and a government official allegedly responsible for directing business to the bank
  • Conducted an internal investigation for a large Latin American airline defrauded by cybercriminals in a phishing scheme
  • Conducting an internal investigation of a large telecommunications company under government scrutiny for alleged political contributions to the ruling political party of a foreign government in violation of the FCPA
  • Led an internal investigation for a large private equity firm post-acquisition concerning allegations of misappropriated inventory and accounting fraud by the company's prior owners
  • Led a data privacy and security investigation of vocational schools that had hundreds of student identities stolen; worked closely with the U.S. Secret Service and the IRS to assist with the criminal investigation

  • Defending a target in a U.S. Department of Homeland Security (DHS) and Department of Justice (DOJ) bribery and money laundering investigation of conduct connected to an oil and natural gas company owned by a foreign government under investigation in the Eastern District of New York
  • Serving as pool counsel representing employees of a global multi-billion-dollar medical device company under investigation in the District of Massachusetts
  • Defending a subject connected to the FIFA soccer bribery scandal under investigation in the Eastern District of New York
  • Defending the owner of a telemarketing medical referral company charged with conspiracy to commit Medicare fraud by the Fraud Section of the DOJ in the Southern District of Florida
  • Defending the owner of a check-cashing business charged with making false statements and operating an unlicensed money transmission business in the Middle District of Florida
  • Defended an investment fund employee in a criminal prosecution by the U.S. Attorney's Office for the Eastern District of Virginia and a related U.S. Securities and Exchange Commission (SEC) investigation
  • Defended a Certified Public Accountant indicted for money laundering and healthcare fraud by the U.S. Attorney's Office for the Southern District of Florida

  • Created anti-corruption and anti-money laundering compliance programs for:
    • A financing company engaging in transactions in high-risk Latin American nations
    • A U.S.-based commercial aircraft repair business
    • A workplace safety technology company doing business in Africa and South America
    • A Central American oil tanker leasing company
  • Conducted anti-corruption and sanctions due diligence for a media company sold to a buyer with ties to a foreign government hostile to the U.S.

  • Secured the dismissal with prejudice of a lawsuit against a Fortune 100 diversified global financial services company on counts of fraud, defamation and tortious interference brought by the former head of a large company subsidiary
  • Defending a publicly traded financial institution under investigation by law enforcement of a U.S. territory concerning the financial institution's relationship with a convicted criminal
  • Obtained a multimillion-dollar judgment on behalf of an international luxury hotel chain against a hotel owner for breach of the hotel management agreement despite claims of gross mismanagement
  • Represented a lending consortium sued by more than a dozen contractors for improperly cutting off tens of millions of dollars in loan funding for the renovation of an iconic luxury resort; cases were settled with no liability for lenders


  • University of Miami School of Law, J.D., cum laude
  • New College of Florida, B.A., British and American Literature
Bar Admissions/Licenses
  • Florida
Court Admissions
  • U.S. Supreme Court
  • U.S. District Court for the Middle District of Florida
  • U.S. District Court for the Southern District of Florida
  • U.S. Court of Appeals for the Eleventh Circuit
  • American Bar Association, Litigation Section
  • Miami Dade County Bar Association
  • Junior Achievement of Greater Miami, Director
Honors & Awards
  • Holland & Knight Pro Bono All-Star, 2020
  • Daily Business Review Professional Excellence Award, Holland & Knight - Litigation Departments - International Large Honoree, 2017
  • Rising Star, Florida Super Lawyers magazine, 2014, 2015


Speaking Engagements