Captain Kostas Siamantas will serve as captain of the World Odyssey for Semester at Sea’s Spring 2026 voyage.

According to a press release, Siamantas is a respected Greek mariner with nearly two decades of service to the program.

Semester at Sea said that the captain has a defining presence in the Semester at Sea community with his steady leadership and dedication to the voyager experience.

“Captain Kostas exemplifies the spirit of Semester at Sea,” said Scott Marshall, president and CEO of the Institute for Shipboard Education.

“His leadership, professionalism, and genuine care for our voyagers help make the ship not just a vessel, but a community. We are thrilled to welcome him back to the bridge,” he added.

Semester at Sea’s Spring 2026 voyage is set to visit 11 cities in ten count

See Full Page