| Jan Sondergaard | |
|---|---|
| |
| Actor: | Robin Hiert |
| Species: | Human |
| Gender: | Male |
| Affiliation: | Federation Starfleet |
| Assignment(s): | Chief of Starfleet Operations |
| Rank: | Admiral |
| Insignia: |   |
| Insignia: |   |
Admiral Jan Sondergaard was a Starfleet flag officer in the 2290s.
In 2294, Vice Admiral Sondergaard was the commanding officer of Copernicus Base and officially commissioned the newly-constructed USS Valkyrie. (Star Trek: Valkyrie: "New Command")
By Stardate 9706, Sondergaard had been promoted and had the role of Chief of Starfleet Operations. (Star Trek: Valkyrie: "Touch of the Prophets")
Valkyrie officer Gina Bellamy once experienced a vision from an alien artifact that was recovered from a planet in the Tolic Nebula. It led her to believe that Sondergaard could be her biological father. (Star Trek: Valkyrie: "The Sculpture")