| Debes, John H., IV | Digging for substellar objects in the stellar graveyard | 2005 | The Pennsylvania State University | NIRI+ALTAIR | USA |
| Figueredo, Elysandra | Conteúdo Estelar de Regiões HII Gigantes da Galáxia | 2005 | University of Sao Paulo | NIRI | Brazil |
| MacArthur, Lauren Anne | Stellar populations in spiral galaxies: Broadband versus spectroscopic viewpoints | 2005 | The University of British Columbia | GMOS-N | Canada |
| Silge, Julia Dorothea | Sweep the dust away: infrared kinematics of nearby galaxies | 2005 | The University of Texas at Austin | GNIRS | USA |
| Swinbank, Anthony Mark | Mapping the dynamics, star-formation rates, and chemical properties of galaxies with integral field spectroscopy | 2005 | Durham University | GMOS-N/GMOS-S | UK |
| Vaduvescu, Ovidiu | Infrared properties of star forming dwarf galaxies | 2005 | York University | GMOS-N | Canada |
| Woo, Jong-Hak | Active black holes and the evolution of their host galaxies | 2005 | Yale University | GMOS-S | USA |
| Alvares-Candal, Alvaro | Inter relação e Propriedades Físicas de Asteróides Cometas e Objetos Trans netunianos | 2006 | Observatorio Nacional | NIRI | Brazil |
| Barrett, Elizabeth | The assembly of massive galaxy clusters: a joint X-ray-optical study | 2006 | University of Hawaii | GMOS-N/GMOS-S | USA |
| 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 |
| Durant, Martin | Magnetars: distances, variability and multi-wavelength observations | 2006 | University of Toronto | NIRI | Canada |
| Faifer, Favio | Estudio comparativo de sistemas de cumulos globulares extragalacticos | 2006 | Universidad Nacional de La Plata (UNLP) | GMOS-N/GMOS-S | Argentina |
| Gavriil, Fotis Panagiotis | Magnetar-like X-ray bursts from anomalous x-ray pulsars | 2006 | McGill University | NIRI | Canada |
| Lamareille, Fabrice | Cosmological evolution of the physical properties of galaxies | 2006 | Laboratoire d'Astrophysique de l'Obbservatoire Midi-Pyrenees (France) | GMOS-N | Other |
| Nysewander, Melissa C. | Exploring optically dark and dim gamma-ray bursts: instrumentation, observation and analysis | 2006 | The University of North Carolina at Chapel Hill | GMOS-S | USA |
| Perrin, Marshall Dimsey | A high angular resolution survey of circumstellar dust around Herbig Ae/Be stars | 2006 | University of California, Berkeley | MICHELLE | USA |
| Pierce, Michael J. | Spectroscopy of extra-galactic globular clusters | 2006 | Swinburne University of Technology | GMOS-N | Australia |
| Pracy, Michael Benjamin | The properties and evolution of galaxy populations in the rich cluster environment | 2006 | The University of New South Wales (Australia) | GMOS-N | Australia |
| Voges, Erica S. | The ionization sources of the diffuse ionized gas in nearby disk galaxies | 2006 | New Mexico State University | GMOS-N | USA |
| Barbosa, Fausto | Cinemática estelar e de linhas de emissão na região nuclear de galáxias Seyfert com uso de espectrografia IFU | 2007 | Federal University of Rio Grande do Sul | GMOS-N | Brazil |
