| Speaker | Date | Title |
| Davis, Gary | 09/07/2011 | The UK telescopes on Mauna Kea: breaking news and future prospects |
| Casey, Caitlin | 09/14/2011 | Taking Census of Extreme, Infrared-Bright Starbursts from z=0-6: Implications for Dust Enshrouded Star Formation and the Evolution of Major Mergers |
| Beletic, James | 09/26/2011 | Imaging Sensor Technologies for Astronomy, Planetary Exploration & Earth Observation |
| Jefferies, Stuart | 10/12/2011 | Getting the most out of your large-aperture, ground-based telescope |
| Fox, Derek | 10/19/2011 | Bursts of Light from the Cosmic Dawn |
| Meech, Karen | 10/26/2011 | Origin of Earth's Water |
| McKee, Chris | 11/02/2011 | The Formation of Massive Stars |
| Squires, Gordon | 11/09/2011 | A Unique Place and a Unique Time: Revealing the Hidden Universe with Spitzer, Herschel, WISE, GALEX, Kepler, Planck and ... Astronomy's Next-Generation Observatory - TMT |
| Hinkley, Sasha | 11/16/2011 | Comparative Exoplanetary Science Through Direct Imaging |
| Ellison, Sara | 11/23/2011 | Gas flows in galaxies: mergers versus bars |
| Woo, Jong-Hak | 12/02/2011 | Cosmic evolution of black holes and galaxies |
| Tonry, John | 12/15/2011 | The 2011 Nobel Prize in Physics |
| Werk, Jessica | 12/19/2011 | Finding Galactic Metals in Unusual Places |
| Lu, Jessica | 01/19/2011 | Clarifying our View of Star Formation in Extreme Environments with Adaptive Optics |
| Narita, Norio | 01/26/2011 | Aligned, tilted, retrograde exoplanets and their migration mechanisms |
| Greve, Thomas | 02/02/2011 | The nature of the newly discovered population of extremely bright submillimeter galaxies |
| Sheth, Kartik | 02/09/2011 | The Starring Role of Bars in Understanding Galaxy Evolution: Results from S4G, COSMOS, DEEP2 and AEGIS |
| Agol, Eric | 02/16/2011 | New techniques for studying extrasolar planets |
| Chun, Mark | 02/23/2011 | The atmosphere above Mauna Kea: all you wanted to know and dealing with the unknown unknowns |
| Bradac, Marusa | 03/02/2011 | Dark Matter and First Galaxies Light Up |
| Gottloeber, Stefan | 03/08/2011 | Near field cosmology with CLUES (Constrained Local UniversE Simulations) |
| Malkan, Matt | 03/16/2011 | New Observational Approaches to Galaxy Evolution Surveys |
| Mushotzky, Richard | 03/23/2011 | Recent Results from the Swift BAT Very Hard X-ray Survey |
| Sobral, David | 03/30/2011 | The Star-formation History of the Universe and its Drivers in the Last 11 Gyrs |
| Businger, Steven | 04/06/2011 | The Mauna Kea Weather Center: Custom Atmospheric Forecasting Support for Mauna Kea |
| Bland-Hawthorn, Joss | 04/13/2011 | The HERMES project - reconstructing the ancient Galaxy |
| Courteau, Stephane | 04/18/2011 | The Luminosity Profile of the Andromeda Galaxy |
| Stiavelli, Massimo | 04/20/2011 | Observing the epoch of reionization with the Hubble and James Webb Space Telescopes |
| Trump, Jonathan | 04/25/2011 | Not all AGNs are created equal: How galaxies feed and obscure their SMBHs. |
| Reipurth, Bo | 05/04/2011 | The Dynamical Evolution of Newborn Triple Systems |
| Borucki, William | 05/13/2011 | Kepler Mission: An Overview of Science Results |
| Hunter, Lisa | 05/18/2011 | Enhancing the professional skills of graduate students and postdocs |
| Chapman, Scott | 05/23/2011 | Point sources in the South Pole Telescope 2000sq deg survey: characterizing the dusty starforming galaxies |
| Imanishi, Masa | 06/01/2011 | Luminous buried AGNs and the AGN-starburst connections in the local universe |
| Rothberg, Barry | 09/08/2010 | The Impact of Star-Formation and Gas Dissipation on Galaxy Kinematics |
| Wainscoat, Richard | 09/15/2010 | Protection of Hawaii's Observatories from Light Pollution |
| Kraus, Adam | 09/23/2010 | The Demographics of Young Planetary Systems |
| Melbourne, Jason | 09/28/2010 | Black Hole Growth and Star Formation in z=2 Dust Obscured Galaxies (DOGs) |
| Guhathakurta, Raja | 10/05/2010 | Cannibalism and Forensics in our Galactic Neighborhood |
| Reddy, Naveen | 10/06/2010 | Evolution of Dust Obscuration and Its Implications for Galaxy Growth |
| Bernstein, Rebecca | 10/13/2010 | Detailed Chemical Abundances of Extragalactic Star Clusters |
| Hamann, Wolf-Rainer | 10/20/2010 | Massive stars and their winds |
| Blake, Geoffrey | 10/27/2010 | Water Vapor and Organics in the Planet-Forming Region of Circumstellar Disks |
| Itoh, Naoki | 11/03/2010 | Seeing galaxy clusters through CMB: Sunyaev-Zeldovich effect |
| Windhorst, Rogier | 11/10/2010 | Observing supermassive black-hole growth with HST and JWST: When during galaxy assembly did AGN growth take place? |
| Chambers, Ken | 11/17/2010 | Early Science with PS1 |
| Fassnacht, Chris | 11/29/2010 | Dark and Luminous Matter at Moderate Redshifts |
| Habbal, Shadia | 12/08/2010 | Total Solar Eclipses and the Physics of the Solar Corona: The Case of Heavy Ion Spies |
| Zakamska, Nadia | 12/15/2010 | Obscured Quasars |
| Endl, Michael | 01/22/2010 | Exoplanets From Outer Space |
| Laughlin, Greg | 01/27/2010 | Major Updates to the Galactic Planetary Census |
| Landis, Rob | 02/01/2010 | Between the Moon and Mars: The NEO Facto |
| Esser, Ruth | 02/10/2010 | The Solar Chromosphere, Corona and Wind: Observations and Theory |
| Aharonson, Oded | 02/17/2010 | Titan's Lakes: Croll-Milankovitch and seasonal methane cycles |
| Burkert, Andreas | 02/24/2010 | Titan's Lakes: Croll-Milankovitch and seasonal methane cycles |
| Miyaji, Takamitsu | 02/26/2010 | Clustering of Broad-line X-ray AGNs from RASS-SDSS |
| Tran, Kim-Vy | 03/03/2010 | The Spitzer/MIPS Infra-Red Cluster Survey (SMIRCS) |
| Hamaguchi, Kenji | 03/09/2010 | Eta Carinae Superstar |
| Kuhn, Jeff | 03/17/2010 | Observational night-time solar physics: using tools and models learned from our Sun to understand other Suns |
| Zuckerman, Ben | 03/24/2010 | Evidence for Rocks and Rocky Planets: From the Zero-age Main Sequence to White Dwarfs |
| Cowie, Len | 04/07/2010 | Heineman Prize Lecture |
| Sobral, David | 04/14/2010 | HiZELS survey |
| Kudritzki, Rolf | 04/28/2010 | Schwarzchild Prize Lecture |
| Siana, Brian | 05/12/2010 | Were Galaxies Able to Reionize the Universe Measuring the Lyman Continuum Escape Fraction With Hubble |