| Livermore, Rachael | Harnessing the Power of Gravitational Lensing: Resolved Star Formation at Redshift 1 - 4 | 2013 | Durham University | NIFS | UK |
| Hermes, James Joseph, Jr. | Gravitational waves, pulsations, and more : high-speed photometry of low-mass, He-core white dwarfs | 2013 | The University of Texas at Austin | GMOS-N/GMOS-S | USA |
| Cucchiara, Antonino | Gamma-ray burst afterglows as probes of their host galaxies and the cosmos | 2010 | The Pennsylvania State University | GMOS-N/GMOS-S/NIRI | USA |
| Kim, Jae-woo | Galaxy clustering and galaxy
clusters from the UKIDSS DXS | 2012 | Durham University | GMOS-N | UK |
| Randriamanakoto, Zara | Formation of young massive star clusters: a high-resolution multi-wavelength study of intensely star-formation galaxies | 2015 | University of Cape Town, South Africa | NIRI+LGS | Other |
| Levitan, David B. | Finding needles in the haystack: a search for AM CVn systems using the Palomar Transient Factory | 2013 | California Institute of Technology | GMOS-N | USA |
| Schnorr Muller, Allan | Feeding the Super Massive Black Hole in Active Galactic Nuclei | 2013 | Federal University of Rio Grande do Sul | GMOS-N/GMOS-S | Brazil |
| de Kleer, Katherine Rebecca | Extreme Worlds of the Outer Solar System: Dynamic Processes on Uranus & Io | 2017 | University of California, Berkeley | NIRI+ALTAIR | USA |
| Mentuch, Erin | Extragalactic stellar populations in the near and mid-infrared: 1-30 mum emission from evolved populations, young and dustry star forming regions and the earliest stellar populations | 2010 | University of Toronto | GMOS-N | Canada |
| Tanner, Angelle Maria | Extended sources in the central parsec of the Galactic Center | 2004 | University of California, Los Angeles | Hokupaa | USA |
| Fu, Hai | Extended emission-line regions: Remnants of quasar superwinds? | 2008 | University of Hawaii | GMOS-N | USA |
| Tang, Sumin | Exploring the Long-Term and Extreme Variability of Stars | 2012 | Harvard University | GMOS-N | USA |
| Mooley, Kunal P. | Exploring the dynamic radio sky: the search for slow transients with the VLA | 2015 | California Institute of Technology | GMOS-N | USA |
| Esposito, Thomas Matthew | Exploring planetary system evolution through high-contrast imaging | 2015 | University of California Los Angeles | GPI | USA |
| 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 |
| Mehner, Andrea | Exploring and Modeling High-excitation Emission in the Ejecta and the Wind of Eta Carinae | 2011 | University of Minnesota | GMOS-S | USA |
| Rajan, Abhijith | Exoplanet Meteorology: Characterizing The Atmospheres Of Directly Imaged Sub-Stellar Objects | 2017 | Arizona State University | GPI | USA |
| Jiang, Linhua | Evolution of the quasar population at high redshift | 2008 | The University of Arizona | GNIRS/NIRI | USA |
| Gusmão, Danilo Maciel Lopes | Estudo multi técnicas das regiões HII ultracompactas por espectroscopia de alta resolução espacial | 2015 | Universidade do Vale do Paraiba | | Brazil |
| Jasmim, Flávia Luzia | Estudo da composição superficial de diversas classes de pequenos corpos | 2013 | Observatorio Nacional | TRECS | Brazil |
