Michael Okuda was a member of Starfleet in the 24th century.
In 2363, Okuda's name was listed, with the title doctor, on the dedication plaque as part of the Advanced Technologies Group. (Star Trek: The Next Generation set artwork)
Okuda's name was listed on several other ship dedications, including USS Voyager in 2371, the USS Enterprise-E's in 2372, USS Prometheus in 2373 and USS São Paulo in 2375. (Star Trek: Voyager; Star Trek: First Contact; VOY: "Message in a Bottle"; DS9: "The Dogs of War")
Okuda's name was an inside reference to production staff associate Michael Okuda. The first time this name appeared was on the Enterprise-D's plaque on TNG, although there was another person named M. Okuda who was listed on the plaque of Enterprise (NX-01), 212 years earlier.