The arrival roster at Deep Space 9 listing Capt. Zimmerman
Captain Herman Zimmerman was a Human Starfleet officer in the 24th century.
In 2364, he was named as the commanding officer of the USS Nightwing on a mission order. In that year, the ship was assigned to the McKenzie Project. (TNG: "Conspiracy", okudagram)
In 2368, he was named as a Engineering Group officer on the second dedication plaque of the USS Enterprise-D. (TNG: "Silicon Avatar", dedication plaque)
In 2370, he was named as the commanding officer of the USS Yorktown on a Deep Space 9 arrival roster. (DS9: "Whispers", okudagram)
In the 2370s, he was named as a Science Ops officer on the dedication plaque of Defiant-class starships. (DS9: "The Search, Part I", dedication plaque; DS9: "Valiant", USS Valiant dedication plaque; DS9: "The Dogs of War", dedication plaque)
In 2372, he was named as a Spaceframe Development officer on the dedication plaque of the USS Enterprise-E. (Star Trek: First Contact, dedication plaque)