| Speaker |
Specialty |
Ship |
Embark Date |
| Heidemarie M. Stefanyshyn-Piper |
Space |
Seabourn Venture |
March 5–20, 2023 |
| Jim Kennedy |
Space |
Seabourn Sojourn |
November 17 to December 1, 2023 |
| Dr. Beth Healey |
Medicine |
Seabourn Venture |
July 2, 2023 |
| George Losey |
Oceanography |
Seabourn Encore |
March 5–20, 2023 |
| George Sranko |
Biology and wildlife |
Seabourn Odyssey |
March 9–27, 2023 |
| Dr. Chris Drake |
Geography |
Seabourn Sojourn |
March 20 to April 10, 2023 |
| Dr. John A. Adam |
Science |
Seabourn Odyssey |
April 30 to May 11, 2023 |
| Dr. Aleksandrs Aleksejevs |
Physics |
Seabourn Ovation |
July 9 to August 6, 2023 |
| Dr. Svetlana Barkanova |
Physics |
Seabourn Ovation |
July 9 to August 6, 2023 |
| Brian J. Ford |
Science |
Seabourn Sojourn |
August 25 to September 4, 2023 |
| Dr. Denny Whitford |
Oceanography |
Seabourn Quest |
September 30 to October 12, 2023 |
| Brian J. Ford |
Science |
Seabourn Sojourn |
October 15–29, 2023 |
| George Losey |
Oceanography |
Seabourn Odyssey |
October 21 to November 8, 2023 |
| Valentin R. Troll |
Volcano research |
Seabourn Sojourn |
October 21 to November 4, 2023 |
| Dr. David Plourd |
Science |
Seabourn Quest |
October 24 to November 7, 2023 |
| George Losey |
Oceanography |
Seabourn Sojourn |
December 22, 2023 to January 20, 2024 |
