Greg has represented plaintiffs and defendants in matters involving securities fraud, civil RICO, mergers and acquisitions, civil contempt, multijurisdictional legal and regulatory regimes, contractual interpretation, and partnership disputes. His clients include pharmaceutical companies, energy companies, hedge funds, financial advisers, venture capital funds, financial institutions, insurance companies, corporate officers, and high net worth individuals.
Greg has successfully represented clients in numerous high-stakes cases, including:
- On behalf of a biotechnology company, securing the dismissal of a complex patent infringement suit brought by a multinational pharmaceutical company that sought over $500 million in damages.
- Helping to secure the dismissal of $3.5 billion civil RICO and $400 million civil contempt claims against a large financial institution.
- Helping obtain dismissal of securities fraud class actions against an energy company and the former CEO of a large advertising company.
Greg has also litigated significant cases to favorable negotiated resolutions, including a breach of fiduciary duty action involving the sale of the largest federally subsidized housing complex in the United States and a historic securities fraud class action against an international client.
In his public interest practice, Greg has represented indigent criminal defendants in state and federal trial and appellate courts and has litigated on behalf of asylum applicants.
Affiliations & Academic Achievements
Greg is a member of the Federal Bar Council’s Securities Litigation Committee.
Greg earned his J.D. from Columbia Law School, where he served as an editor on the Columbia Law Review and as a research assistant for Professor Tim Wu. He served as a law clerk for the Honorable John G. Koeltl of the U.S. District Court for the Southern District of New York.
(J.D., Harlan Fiske Stone Scholar, 2014)
Editor, Columbia Law Review
Teaching Fellow, Contracts, Professor Charles Fried, Fall 2012
Teaching Fellow, Secured Transactions, Professor Avery Katz, Spring 2013
Research Assistant, Professor Tim Wu, “The Attention Merchants” (published in 2016)
(B.A., cum laude, History, Psychology, 2008)
Associate 2014-2016, 2017-2018
Law Clerk to the Hon. John G. Koeltl
United States District Court for the Southern District of New York, 2016-2017
Supreme Court Holds That Securities Act Class Actions May Be Brought In State Court, Cleary Gottlieb Alert Memorandum (Mar. 27, 2018)
Data Privacy Class Action Against Facebook Survives Motion To Dismiss, Cleary Cybersecurity and Privacy Watch (Feb. 28, 2018)
Cleary Discusses 2017 Developments in Securities and M&A Litigation, The CLS Blue Sky Blog (Feb. 20, 2018)
Illinois Appellate Court Holds That Mere Technical Violations Of Data Privacy Statute Are Insufficient To State A Claim, Cleary Cybersecurity and Privacy Watch (Jan. 11, 2018)
United States District Court: Southern District of New York