Jason E. Rosen

201 S Biscayne Boulevard, Suite 2820.
Miami, Florida 33131

Jason E. Rosen

Partner | ONTIER USA · Miami

Jason is an experienced corporate and litigation lawyer who joined the firm in 2022 after spending ten years as a sole practitioner in his boutique business practice and working with his father, a renowned federal defense lawyer in Miami, Florida. Jason is counsel to various small to mid-size companies in multiple industry classes and represents them in mergers and acquisitions, general corporate matters, and in federal and state commercial litigation.

Prior to obtaining his Juris Doctor, Jason served as a taxable fixed income securities trader, financial advisor, and back office compliance for boutique and large broker dealers. He earned and previously maintained the FINRA Series 7, 24, 63, 65, and 66 licenses. While in law school, Jason interned with the United States Securities and Exchange Commission as a Research Specialist.
Representation Experience

Advise on company formations, mergers and acquisitions and joint ventures.

Draft and negotiate company governing documents, various business to business contracts, employment agreements, and documents to effectuate the sale and purchase of stock, membership interest, and assets.

Draft and negotiate loan agreements, promissory notes, security agreements, and pledge agreements.

Advise clients on anti-money laundering and corporate compliance.

Represent various European and Latin American companies in corporate and litigation matters in the United States.

Counsel in multiple state and federal commercial and estate litigation as well as FINRA arbitration matters.

Counsel for plaintiffs against multiple defendants involving the $1.2 Billion Dollar Ponzi Scheme, Woodbridge Group of Companies LLC.

Counsel for various defendants in white collar and enforcement matters concerning the United States Securities and Exchange Commission and Department of Justice.


Florida State University, Bachelors of Science in Finance (2000).

Florida International University College of Law, Juris Doctor (2011). Recipient of CALI Book Award in Professional Responsibility.

Admitted to Practice in the states of California, Florida, New York, North Carolina, and South Carolina.

ACAMS Certified Anti-Money Laundering Specialist.

SuperLawyers Rising Star 2018-2021.


English and Spanish (Intermediate).