Nimembeh
Admiral Nimembeh was a Starfleet flag officer serving at Starfleet Command during the mid-24th century. During his career, Nimembeh had also taught the course called Tactical Analysis at Starfleet Academy. 

Chakotay gave his resignation to Admiral Nimembeh on , 2368 before joining the Maquis. Seven years later, Chakotay said he could still remember "the look on the Admiral's face." ()

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Individuals
Starfleet Academy personnel
Starfleet Headquarters personnel
Starfleet flag officers