John I. Coster IV concentrates his practice in the areas of complex commercial litigation, securities litigation and arbitration, internal investigations, and regulatory enforcement matters. He has broad experience representing financial institutions, multinational corporations, investment advisors, real estate developers, media conglomerates, insurance companies, startups, and individuals. In addition, he represents broker-dealers and financial advisors in industry and customer dispute arbitrations, and enforcement actions before FINRA.
Mr. Coster is a 2015 graduate of St. John’s University School of Law, where he was the Editor-in-Chief of the St. John’s Journal of International & Comparative Law and the New York International Law Review. During law school, Mr. Coster served as a judicial intern to the Honorable P. Kevin Castel of the U.S. District Court for the Southern District of New York. He is a 2012 graduate of Fordham University.
Areas of Practice
- Commercial Litigation
- Financial Institution Litigation
- Broker-Dealer Representation
- Labor and Employment Law
Admissions
- New York
- New Jersey
- U.S. District Court for the Southern District of New York
- U.S. District Court for the Eastern District of New York
- U.S. District Court for the District of New Jersey
Education
- St. John's University School of Law, J.D., 2015
- Editor-in-Chief, St. John's Journal of International & Comparative Law - Fordham University, B.S., 2012
Experience
- Duane Morris LLP
- Associate, 2020-present - Satterlee Stephens LLP
- Associate, 2015-2020
Professional Activities
- New York American Inn of Court