| Spring 2010 | "Planet Formation" |
| Fall 2009 | "Dust Formation in AGB Stars. The Case of Silicon Carbide" |
| Spring 2009 | "Milky Way Companions" |
| Fall 2008 | "Cooling Constraints on Circumstellar Disk Fragmentation" |
| Spring 2008 | "AGN Feedback and Environmental Influences" |
| Fall 2007 | "White Dwarfs: Origin of Atmospheric Composition" |
| Spring 2007 | "Theory of the First Stars: Why are they Massive? What are their Properties?" |
| Fall 2005 | "Hubble Space Telescope ultraviolet spectroscopy of blazars: emission lines properties and black hole masses" |
| Spring 2005 | "NEO Search Programs" |