| Lloyd, James Patrick | The detection and characterization of low mass companions to sun-like stars | 2002 | University of California, Berkeley | Hokupaa | USA |
| Bussmann, Robert Shane | The nature of dust-obscured galaxies at z~2 | 2010 | University of Arizona | NIRI | USA |
| Roe, Henry G. | Titan's atmosphere at high-resolution | 2002 | University of California, Berkeley | Hokupaa | USA |
| Potter, Daniel E. | A search for debris disks with a dual channel adaptive optics imaging polarimeter | 2003 | University of Hawaii | Hokupaa | USA |
| Radomski, James Thomas | High-resolution mid-infrared imaging of active galactic nuclei | 2003 | University of Florida | OSCIR | USA |
| Pagnotta, Ashley | Recurrent Novae and Type Ia Supernova Progenitors | 2012 | Louisiana State University | GMOS-S | USA |
| Lau, Marie Wingyee | Quasars Probing Quasars: The Circumgalactic Medium Surrounding Z 2 Quasars | 2017 | University of California Santa Cruz | NIRI/GNIRS | USA |
| Foltz, Ryan Michael | Environmental Quenching in Clusters at High Redshift | 2017 | University of California Riverside | GMOS-N/GMOS-S | USA |
| Schaefer, Gail Helen | Dynamical masses of pre-main sequence stars | 2004 | State University of New York at Stony Brook | NIRI+ALTAIR | USA |
| Childress, Michael Joseph | Host galaxies of type ia supernovae from the nearby supernova factory | 2011 | University of California Berkeley | GMOS-S | USA |
| Sheppard, Scott S. | Small bodies in the outer solar system: from Kuiper Belt objects to Centaurs to satellites | 2004 | University of Hawaii | GMOS-N | USA |
| Tanner, Angelle Maria | Extended sources in the central parsec of the Galactic Center | 2004 | University of California, Los Angeles | Hokupaa | USA |
| Bolton, Adam S. | Constraints on early-type galaxy structure from sepctroscopically selected gravitaitonal lenses | 2005 | Massachusetts Institute of Technology | GMOS-N | USA |
| Bonanos, Alceste Zoe | Determining accurate distances to nearby galaxies | 2005 | Harvard University | GMOS-N | USA |
| Dahm, Scott E. | The evolution of young clusters | 2005 | University of Hawaii | GMOS-N | USA |
| Debes, John H., IV | Digging for substellar objects in the stellar graveyard | 2005 | The Pennsylvania State University | NIRI+ALTAIR | USA |
| Ren, Bin | Detection and Characterization of Circumstellar Disks in Scattered Light | 2019 | The Johns Hopkins University | GPI | USA |
| Silge, Julia Dorothea | Sweep the dust away: infrared kinematics of nearby galaxies | 2005 | The University of Texas at Austin | GNIRS | USA |
| Arriaga, Pauline Lim
| Multiband polarimetric imaging of debris disks with the Gmeini Planet Imager | 2020 | University of California, Los Angeles | GPI | USA |
| Woo, Jong-Hak | Active black holes and the evolution of their host galaxies | 2005 | Yale University | GMOS-S | USA |
