Connecting boating enthusiasts with their passion

Norseman International was formed to fill a necessary and critical gap in the recreational marine industry - connecting boating enthusiasts with their passion for boating, safely everywhere. Since our inception in 2017, our vast network of captains, as well as our key founders, continue to provide the best professional captain services throughout North America and the Caribbean including vessel deliveries, insurance-mandated orientations, lessons, and owner-owned charters.


Capt. Greg Thornton

Hailing from coastal Rhode Island then growing up in the Lakes Region of New Hampshire, Greg is an ABYC certified marine technician, holds a USCG 100 Ton Master’s license and has over 15 years of experience commanding both sail and motor yachts throughout the Americas and abroad. His previous notable roles include Test Captain, Charter Captain, ABYC Marine Technician, and former IBEX Innovation Awards Judge. He currently resides in Rowayton, CT with his dog Skipper.

Captain Greg Thornton
Capt. Bobby Sialaris

Capt. Bobby Sialaris

Capt. Bobby is a United States Coast Guard Certified Captain that resides in the Jacksonville/Saint Augustine, FL area. He gained his experience at a young age on lakes that was acuminated during in his military career serving in Special Operations focusing on maritime and underwater operations. Capt. Bobby also holds Naui Divemaster certification.

Captain Nick Martinez

Capt. Nick Martinez

Captain Nick Martinez hails from White Plains, NY and is a USCG veteran who has spent most of his life and professional career on the water. He carries a 100 ton USCG captains license and has 15 years of experience piloting vessels from 15-200 ft. around the country.

Capt. Debora Rosenn

Capt. Debora Rosenn

Capt. Debora is a 100 ton Master Captain hailing from south Florida. Growing up as a surfer on the southern coast of Brazil, Deb moved to Florida in 1999, when soon thereafter her passion for the water as a dive master and yacht captain became her career. She’s fluent in three languages and also a mother of adolescent twin boys.

Jessica Pertuz

With roots in Queens, NY and Barranquilla, Colombia, Jessica heads up Client Relations and the Accounting at Norseman International. Additionally Jessica is an integral part of the Team at Tony Robbins Institute. During her downtown, she enjoys jumping out of planes as a certified skydiver, rock climbing with friends, and hanging out with her bulldog Layla.