| Bosman, Sarah Elena Ivana | Quasars at the high redshift frontier | 2017 | University of Cambridge | GMOS-S | UK |
| Boris, Natalia Veronica | Busca de Estruturas em Grandes Escalas em Altos Redshifts Estudo Fotometrico de Quatro Campos contendo Pares de Quasares em z~1 | 2006 | University of Sao Paulo | GMOS-N/GMOS-S | Brazil |
| Bordalo, Vinícius | Internal Kinematics and The L-sigma Relation of the HII Galaxies | 2009 | Observatorio Nacional | GMOS-N | Brazil |
| Bonanos, Alceste Zoe | Determining accurate distances to nearby galaxies | 2005 | Harvard University | GMOS-N | USA |
| Bolton, Adam S. | Constraints on early-type galaxy structure from sepctroscopically selected gravitaitonal lenses | 2005 | Massachusetts Institute of Technology | GMOS-N | USA |
| Blake, Cullen H. | Ultracool dwarfs and their companions | 2009 | Harvard University | PHOENIX | USA |
| Bitner, Martin Allan, Jr. | High resolution spectroscopy of old stars and young disks | 2008 | The University of Texas at Austin | TEXES | USA |
| Bilikova, Jana | Dust disks around hot white dwarfs and central stars of planetary nebulae | 2012 | University of Illinois at Urbana-Champaign | NIRI/MICHELLE | USA |
| Bildfell, Christopher J. | The stellar content in clusters of galaxies | 2013 | University of Victoria | GMOS-N/GMOS-S | Canada |
| Bibby, Joanne | Wolf-Rayet stars as the progenitors of type Ib/c supernovae | 2010 | University of Sheffield | GMOS-N | UK |
| Bian, Fuyan | Bright Z ~ 3 Lyman Break Galaxies in Deep Wide Field Surveys | 2013 | The University of Arizona | GMOS-N | USA |
| Bessiere, Patricia | Characterising the host galaxies of type II quasars | 2014 | University of Sheffield | GMOS-S | UK |
| Bernard, Anais | Development of new data reduction and analysis tools for Wide-Field Adaptive Optics | 2017 | Laboratoire d'Astrophysique de Marseille | GSAOI+GeMS | Other |
| Berg, Danielle Amanda | True chemical abundances of galaxies in the nearby universe: a comparison of abundance methods, interstellar processes, and galaxy types | 2013 | University of Minnesota | GMOS-N | USA |
| Beifiori, Alessandra | Dynamics induced by the central supermassive black holes in galaxies | 2010 | University of Padova (Italy) | NIRI+ALTAIR | Other |
| Bayliss, Matthew | Broadband photometry of 105 Giant Arcs: redshift distribution constraints and implications for giant arc statistics | 2011 | University of Chicago | GMOS-N | USA |
| Bate, Nicholas Frazer | Quasar microimaging | 2010 | University of Melbourne | GMOS-S | Australia |
| Bassett, Robert C. | Resolving the spectral properties of extremely star-forming galaxies at z=0.1 | 2016 | Swinburne University of Technology | GMOS-N/GMOS-S | Australia |
| Barrett, Elizabeth | The assembly of massive galaxy clusters: a joint X-ray-optical study | 2006 | University of Hawaii | GMOS-N/GMOS-S | USA |
| Baron, Frederique | Recherche de compagnons de type Jupiter à très grandes séparations autour d’étoiles jeunes dans le voisinage solaire | 2019 | Universite de Montreal | GMOS-S/FLAMINGOS-2 | Canada |
