Bill Leone is a litigation partner, head of our New York White Collar practice, and co-head of our litigation practice in New York.
Mr. Leone is a former federal prosecutor and served in the United States Department of Justice from 2001 to 2006. He served as United States Attorney for the District of Colorado from 2004 to 2006. Prior to serving in the United States Department of Justice, Mr. Leone was an experienced civil trial attorney and has tried over 60 cases to verdict before judges, juries and arbitration panels. He served on the Attorney General's Advisory Committees for white collar crime and environmental enforcement and on the National Securities Fraud Task Force with representatives from the CFTC, IRS, SEC, FBI, United States Postal Service, EPA, FINRA and numerous other agencies. He also served on the Colorado Securities Fraud Task Force with representatives from the Colorado Attorney General's Office and Colorado Securities Commission. During his tenure as United States Attorney, Mr. Leone worked closely with case agents and agencies throughout the United States including offices in New York, California, Texas, Utah and Wyoming and with litigating units at the Department of Justice in Washington, D.C. He has taught courses at the National Advocacy Center in South Carolina to federal prosecutors from throughout the United States on numerous topics relating to investigations, corporate and securities fraud and accounting fraud.
During his tenure as a defense lawyer and prosecutor, Mr. Leone has handled high stakes, high profile cases and investigations involving numerous industries and subjects, particularly those involving the interrelationship between the government and a regulated industry and which may involve parallel civil, criminal, congressional and administrative exposure. Some of these include securities fraud, insider trading, financial institutions, FDIC claims against directors of failed banks, complex merger and acquisition disputes, complex commercial contract disputes, health care fraud, Foreign Corrupt Practices Act investigations, anti-trust, energy price manipulation, intellectual property, merger and acquisition, corporate governance, telecommunications, mass media, environmental, Stark Act and anti-kickback, nationwide immigration enforcement, and other matters. In addition, as an experienced trial lawyer, he has represented clients of all types in complex commercial litigation matters including product defect, complex contract, trade secret, unfair competition, merger indemnification disputes and civil securities matters of all types. He has represented issuers, underwriters, attorneys, accountants, officers and directors in various types of securities and related litigation including securities class action, enforcement, derivative suits and other matters. His work includes conducting investigations relating to operations in foreign countries including China and the Pacific Rim.
Most recently, Mr. Leone represented the lead defendant in the highly publicized London Whale securities case in the Southern District of New York and successfully obtained a complete dismissal of all criminal and civil charges against our client. The case involved the alleged loss of $6 billion in credit derivative value by London based traders. He also represented a consortium of energy companies that constructed the controversial Dakota Access Pipeline, successfully defeating attempts in the U.S. District Court for the District of Columbia to enjoin the construction of the pipeline. He also serves as an advisor to clients facing complex civil, criminal and administrative exposure from various sources including whistleblowers, government subpoenas and internal reports from ethics and compliance programs. In those cases, he plans, manages and executes internal investigations and helps clients develop a strategy for evaluating and mitigating these exposures.
As a result of Mr. Leone's wide range of experience, he has been a guest commentator on CNBC, CNN and Fox News and has been featured in publications including the Wall Street Journal, the San Francisco Chronicle, the Denver Post and other publications.
He was appointed by the Chief Justice of the Colorado Supreme Court to, and currently serves on the Chief Justice's Commission on the Legal Profession. In 2013 he was appointed by Colorado Governor John Hickenlooper to serve as a member of the Independent Ethics Commission for the State of Colorado, and was reappointed to that Commission by the Colorado Senate in 2017. In addition, he has handled matters in numerous jurisdictions throughout the United States including California, Wyoming, Minnesota, New Mexico, Texas, Illinois, Kentucky, Tennessee, Virginia, South Carolina, New York and Delaware.
Bill continues to maintain an active presence and practice in Colorado as well as New York and nationally and represents global, national and local clients in the Colorado courts.