
George Mastoris
Partner
Co-Chair, New York Litigation Practice
An accomplished litigator, George represents a broad array of companies involved in high-stakes and high-profile civil and criminal litigations, arbitrations and appeals. He co-heads the New York Litigation Practice and his experience spans a number of substantive areas, including antitrust, securities, insurance, financial technology, and bankruptcy. George’s clients include some of the world’s largest financial services companies, insurance companies and multinational manufacturing concerns, as well as blockchain and biotechnology startups, retailers, and private equity firms.
Key Matters
- City of Philadelphia, et al. v. Bank of America, et al. Counsel for Goldman Sachs & Co. in multi-billion dollar antitrust matter alleging that competitor banks conspired to fix interest rates for municipal bonds
- Sizemore et. al. v. Zhao et al. As lead counsel for Defendant Binance US, obtained complete dismissal for in massive class action alleging securities laws violations arising from sale and promotion of digital assets
- Licht v. Binance Holdings Ltd. et al. and Gonzalez v. Binance Holdings Ltd. et al. Lead counsel for Defendant Binance US in two civil RICO actions alleging involvement in so-called “pig butchering” schemes
- Sjunde AP-Fonde v. Goldman Sachs & Co. LLC et al. Counsel for Goldman Sachs in high-profile Rule 10(b)(5) securities class action litigation
- RIA R Squared v. DW Partners et al. Lead counsel in fraud and breach of contract action arising from three large commercial real estate transactions; successfully appealed dismissal of case brought by prior counsel
- Azad v. Jenner. Represent Caitlyn Jenner and her manager in federal securities fraud and state law class action arising from sale and marketing of digital assets
- In re Interest Rate Swaps Antitrust Litig. and Iowa Public Employees Retirement Assoc.et al. v. Bank of America Corp., et al. Counsel for defendant Goldman Sachs & Co. in two multi-billion-dollar antitrust putative class actions; obtained complete denial of class certification in Interest Rate Swaps matter
- FM Global. COVID-19 litigations. Counsel for one of the world’s largest property and casualty insurers in over 12 litigations involving billions of dollars in claims for damages stemming from COVID-19 pandemic
- Culver v. Represent defendant FM in Title VII class action alleging religious discrimination arising from COVID-19 vaccination policy
- MH Sub I et al. v. Muehter. Successfully enjoined defendant executive from joining competitor company for the entire term of his non-compete provision in restrictive covenant and misappropriation action
- In re DBMP LLC; In re Aldrich Pump LLC, et al. Counsel for asbestos claimants creditors in proceedings arising out of separation of billions of dollars of asbestos liabilities from solvent companies’ assets
- NYU Medical Center v. Factory Mutual Insurance Co. Argued and won summary judgment in US$1.6B claim arising out of damage caused by Superstorm Sandy; decision recently affirmed by the Second Circuit
- Harmoni International Spice Corp. v. Bai, et al. Lead day-to-day counsel for plaintiff in high-stakes antitrust and civil RICO action against a cartel of foreign agricultural producers and their affiliates in the United States; argued and won Ninth Circuit appeal of district court dismissal
- FCPA Investigation and Related Litigation. Represented major financial institution in multi-billion-dollar DOJ investigation along with follow-on derivative and class action securities litigation
- In the Matter of Gladius Network LLC. Lead counsel for cybersecurity company in government investigation relating to digital assets; negotiated groundbreaking no-penalty settlement with SEC
- In re Caesars Entertainment Operating Co. Counsel to Examiner in a massively complex investigation of 27 separate debt and real estate transactions involving billions of dollars
- Financial Technology Investigations and Advice. Regularly advises financial technology companies in connection with compliance issues and regulatory proceedings involving digital assets and securities law
- In re ODD Antitrust Litigation. Represented Panasonic Corp. in billion dollar antitrust class action alleging price fixing of optical disc drives. Helped lead joint defense group’s successful efforts to defeat motion for class certification, including briefing motions and overseeing expert phase of case
- Omnicare v. United Healthcare, et al. Counsel in US$1.4B price-fixing and fraud action arising out of the merger between health care conglomerates United Healthcare and PacifiCare
- Sheridan Healthcorp, Inc. v. Avmed, Inc. Obtained extremely favorable settlement for group of plaintiff anesthesiologists in federal and state monopolization actions against Florida HMO
- Voting Rights Cases. Represented Common Cause NY, ACLU, and NYCLU in successful negotiations with New York State Board of Elections and Governor’s office regarding ballot access issues
- Aguilar v. Immigration and Customs Enforcement. Trial counsel to group of families subjected to pre-dawn raids by ICE; helped obtain US$1M settlement and injunctive relief