Presently, Martin is an instructor with City University of New York's Baruch College Continuing and Professional Studies (CAPS), where he teaches import, export, and other international trade courses. In 2013, Martin received the Outstanding Instructor of the Year Award from Baruch CAPS. Martin has also taught international trade courses at Fashion Institute of Technology and Pace University in New York City. Martin is also of counsel to GRVR Attorneys (www.exportimportlaw.com), which specializes in customs and international trade matters.

Martin is a former U.S. Customs officer (senior inspector and import specialist), who was stationed at land (Champlain-Rouses Point, NY), air (JFK International Airport and Newark Liberty) and sea (Newark) ports of entry. While with U.S. Customs at the Port of New York/Newark, he was also a member of the agency's export control branch.

Martin is also a former special agent with the U.S. Department of Defense, assistant prosecutor with the Office of Hudson County (NJ) Prosecutor, and an executive with a global FMC-licensed Ocean Transportation Intermediary. Martin was also a trade consultant with Unz & Co.