John I. Coster IV

John I. Coster IV is an associate at Satterlee Stephens LLP.

Mr. Coster’s practice focuses on complex commercial litigation, securities litigation and arbitration, and regulatory enforcement matters.   

Mr. Coster earned his undergraduate degree (B.S.) from Fordham University. He received his law degree (J.D.) from 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 served as a judicial intern to the Honorable P. Kevin Castel of the United States District Court for the Southern District of New York. 

Contact Information



(212) 404-8737


Practice Areas: 


St. John's University School of Law, JD
Fordham University, BS


New York and New Jersey
United States District Court for the Southern and Eastern Districts of New York