Here are the former Starfleeters of my 23rd century civvie project:
They all once served onboard the Miranda-Class U.S.S. Kane
in 2262; Keller as Chief Science Officer (she was also the Second Officer), Sari as Chief Helm Officer, and H'Vahrr as Chief of Security.
Commander Austin Harris, First Officer, Deep Space Nine (by FltCpt. Bossco)
8.01 - Darkest Before Dawn
(Chapter 8 added, 12/09/2015)