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Commander Juan Sierra was a 24th century Human man who served Starfleet as an instructor at Starfleet Academy.

Biography[]

In 2341, he commanded an away team of cadets to an Umiiga space station. He served as the first officer for the USS Republic on this mission. He was a stocky man, with a thick mustache. (TNG novel: Secret of the Lizard People)

Template image. This article is a stub relating to a character. You can help our database by expanding on it.

Appendices[]

Connections[]

Starfleet Academy personnel
AaronsonV. AbramsAdaraS. AkisH. AlbrechtG. AntosR. AprileD. ArakelianK. ArielD. ArmbrusterA. AthansJ. AthelingJ. AudryJ. zh'AzethiqR. BarclayC. BassW. BaumM. BeckerA. BennettR. BeymerBialerR. BlakemoreP. BoomE. BoranV. BorrorBoothbyR. BrackettB. BragaA. BrandJ. BrandtO. BriaP. BrockelmanW. BrothnerBrownL. BrownellJ. B'tonA. BuchwalterA. BucklinH. BukaraA. CaitanoR. CavicChanS. ChangP. ChapmanP. ChekovS. ChenS. ChiangV. ChiangChiarelloJ. ClarkM. ClarkL. ColeComobrecoJ. ChuppV. ChyornyyE. CohnN. CorfewP. CrandallCrownM. DeckerH. DelaporeP. de la TorreS. De MarisR. DerosiersR. DesjardinS. DevimA. DiCassaM. DonnellyL. DortonJ. EaglefeatherJ. EardmanEllisaldaS. EmanR. EonarraErdmanJ. ErentaroEufingerB. FinneyJ. FleckR. FletcherD. FollenForbusA. FreilM. FullerD. GabrielleR. GalenN. GarrH. GaudetteM. GendermaneP. GenoranJ. GillD. GluckGortJ. GoutharC. GraffeoGravesGravesT. GrodnickC. GroveO. GwamningdoE. HahnB. HarwoodN. HaskJ. HeisenbergHendricksA. HenryHeyerE. HodgkinsH'okhW. HorneM. HoskinHowellL. HughulaghJ. HussM. IkawaZ. IxiterA. iXJohnsS. JacobyJ.R. JenningsM. Je'TorA. JonesJublikKalaR. KaufmannJ. KayserW. KeelKel-NahJ. KesterS. KesterD. KincaidJ.T. KirkKlartenR. KleinV. K'prellKuH. KyE. LandakerN. LarsonT. LaueJ. LevinsonLittleD. LivingstonK. LizzelJ. LongoLynchD. MalteseG. MarkovaW. MasefieldMayhar-PerthL. McCoyA. McTaggartW. MendelK. MendelsonJ. MeyrowitzM.C. MinorH. MirasolD. MiskJ. MitchellMlikkB. MooreNaharodnyB. NakagawaJ. NesterowiczN. NicholsNimembehC. NovakovichK. O'BrienM O'BrienG. O'DonoghueB. OlafsonOnafuwaM. OnizukaM. O'RileyO. ParisT. PattersonPembletonM. PfauJ-L. PicardJ. PollardM. PollardC. PraxisM. PrenticeG. PrimPritchardD. QuinaireRanthaS. th'RasdethC. RasmussenG. RescherRhakh-temK. RileyS. RubichikD. RokamS. RuosSalonSalorP. SawyerD. SchweitzerK. SchönhertzM. ScottF. SegfrunsdóttirR. SeitzJ.M. SellersSelokSemekJ. SierraSilasP. SimenonA. SimmonsE. SinghH. SitkoffSlavitSofakSolokSomakSparkSpockSporikS'renStarfleet Science Officer (SCISEC Briefs)E. Stein-MorrowSteinbergStellStorekM. StraussSulakH. SuluS. SummersworthSurJ. TalTarleggiaV. TasserTelekR. TemoreThoG. TholC. TiengtrakulJ. TileeS. TillyT'LanJ. ab TokathM. TonnS. TorosianT'PelakTr'lsanaW. TrainerT'StrellaL. T'suB. TurganoTuvokTrumbleT'vanN. UhuraL. UlrichD. UrquhartS. van AnlingJ. Van MilnerJ. vander ToddT. VarghorneE. VassbinderI. VellacoraG. VeyVingeA. V'narM. VriS. WardD. WhittierWingateR. WinslowJ. WinterC. WirthD. WiseE. WittH. WongJ. WongL. WongV. WongT. XianXonB. YacobianK. YosH. ZakarianZarshZervikZhengH. ZimmermanJ. ZorkaJ. ZsigrayKyethn Zund Federation icon image. Starfleet icon image. Starfleet Academy icon image.
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