Stephen M. Sinaiko is a partner in the firm’s Litigation & Arbitration and White Collar Defense groups. He represents public and private companies, including broker-dealer firms, investment advisers, and other financial institutions, as well as individuals, in complex civil and criminal litigation. For more than 25 years, Steve has litigated securities-related and commercial disputes, including shareholder class actions, derivative actions, corporate control disputes, partnership disputes, trusts and estates issues, business divorce cases, and disputes related to securitization. He also has experience in insurance coverage matters and employment-related disputes. He represents clients at trial and on appeal in state and federal courts and in commercial arbitration, as well as in grand jury investigations and in regulatory matters before the Securities and Exchange Commission, the United States Commodity Futures Trading Commission, the Financial Industry Regulatory Authority (FINRA), and other self-regulatory organizations.

Steve has been recognized by The Legal 500’s U.S. guide for his work in securities litigation and corporate investigations and white collar criminal defense, and has been described as “technically excellent, very responsive, with a ‘can do’ approach” and additionally that “anyone who hires him will not be disappointed.” Steve has also been included in the New York Super Lawyers list each year since 2017.

Recent highlights of Steve’s practice include representing special purpose vehicles established in connection with the multi-billion dollar securitization a of portfolio of aircraft and related assets in litigation with senior noteholders concerning the establishment of reserves. He also defended an investment adviser against more than a dozen customer claims arising from the 2007 collapse of two hedge funds, two of which resulted in defense awards after lengthy trials before FINRA arbitration panels, and represented a publicly-traded broker-dealer firm and its chief executive officer in connection with a whistle-blower claim by a former employee that, after more than 40 days of trial before a FINRA arbitration panel, was resolved successfully. Steve also represented the nation’s largest equipment rental company in shareholder litigation arising from a failed merger transaction, resulting in a dismissal of all claims that was affirmed on appeal in the Second Circuit.

In addition, Steve maintains an active pro bono practice, handling criminal appeals in the New York state courts on behalf of indigent defendants. His recent notable work in that area included a representation in which he successfully argued, before the New York Court of Appeals, for the unanimous reversal of a defendant’s conviction of a controlled substance offense and for clarification of the circumstances under which New York’s disorderly conduct statute can be the basis for warrantless arrests.

Steve previously was a litigation partner at Kramer Levin Naftalis & Frankel LLP, where he was an inaugural recipient in 2015 of the Marvin Frankel Award for Outstanding Pro Bono Contributions. He also served as a Law Clerk to the Honorable Henry A. Politz of the United States Court of Appeals for the Fifth Circuit. Steve graduated magna cum laude from the New York University School of Law, where he was elected to the Order of the Coif and was an editor of the New York University Law Review, and earned an A.B. with distinction in all subjects from Cornell University. He is proficient in French and Italian.