Jonathan Leiken (Jon)

Partner

Jonathan Leiken, a former federal prosecutor in the Southern District of New York, represents businesses and individuals in significant government investigations, complex civil lawsuits, and at trial. He conducts internal investigations for boards of directors and senior management and defends clients before a wide range of government agencies, including the Department of Justice, SEC, and other regulators.

Jonathan represents organizations such as financial institutions, manufacturers, universities, professional sports teams, private equity concerns, and their executives and employees, in government inquiries and litigation involving allegations of fraud (securities, accounting, valuation, mortgages, disclosure, lending, self-dealing), insider trading, and violations of anticorruption laws such as the FCPA and UK Bribery Act. Jonathan conducts international inquiries for U.S. public companies, provides guidance on international acquisitions, and advises clients on developing effective worldwide compliance programs.

As a federal prosecutor in New York City, Jonathan first-chaired federal trials and appeals, worked cooperatively with the SEC, and received commendations from numerous federal agencies including the FBI. A Cleveland native, Jonathan practices actively out of the Firm's New York and Cleveland offices.

Jonathan is active in the Cleveland and New York legal and business communities. He is an officer of the Cleveland Metropolitan Bar Association (and will become its president in 2013) and is an active member of the Association of the Bar of the City of New York. Jonathan teaches a course on white-collar crime at Case Western Reserve Law School and is a co-founder of the Brain Gain Cleveland Project, a movement to grow Northeast Ohio.