| Jan 13 | Mike Boylan-Kolchin | Barbara Catinella |
| Jan 20 | Gabriella De Lucia | Bruno Henriques (Sussex) |
| Jan 27 | SW (himself) | GK (Simone Weinmann) |
| Feb 3 | VS (Julius Donnert) | BC (Maria Paola Bottino) |
| Feb 10 | TE (himself) | GK (Daniel Christlein) |
| Feb 17 | VS (himself) | SW (Cecilia Scannapieco) |
| Feb 24 | -- cancelled -- | -- cancelled -- |
| Mar 3 | GK (Jing Wang) | SW (himself) |
| Mar 10 | VS (Klaus Dolag) | TE (Roderick Overzier) |
| Mar 17 | Stefano Zibetti (MPIA): "Resolved stellar mass (and SED) maps of galaxies from optical/NIR imaging" | |
| Mar 24 | GK (Jian Fu) | VS (Andreas Faltenbacher) |
| Mar 31 | SW (Dimitri Gadotti) | TE (Zhen Hou) |
| Apr 7 | Easter break | |
| Apr 14 | SW (Raul Angulo) | TE (Klaus Dolag) |
| Apr 21 | GK (Mike Boylan-Kolchin) | VS (Michal Maciejewski) |
| Apr 28 | SW (Ben Metcalf) | GK (herself) |
| May 5 | VS (Mark Vogelsberger) | TE (Carlos Hernandez) |
| May 12 | TE (himself) | SW (Umberto Maio) |
| May 19 | VS (Margherita Grossi) | GK (Silvia Fabello) |
| May 26 | VS (Margarita Petkova) | TE (Jens Jasche) |
| Jun 2 | SW (Qi Guo) | GK (Emilio Donoso) |
| Jun 9 | SW (Franz Elsner) | TE (Mona Frommert) |
| Jun 16 | GK (Yan-Mei Chen) | VS |
| Jun 23 | Nicola Bennert (UCSB): "The evolution of BH mass scaling relations" | |
| Jun 30 | VS (Till Sawala) | TE (Andre Waelkens) |
| Sep 15 | Gregory Sivakoff (Virginia): "X-ray AGN in Clusters of Galaxies" | --- |
| Sep 22 | Francesco Shankar | Claudia Scoccola |
| Sep 29 | Jorge Cuadra | Teppei Okumura |
| Oct 6 | Brice Menard (CITA Toronto): "Gas and Dust in Galactic Halos" | --- |
| Oct 13 | Jorge Moreno (Haverford College): "Dark matter halo mergers and quasars" | --- |
| Oct 20 | Federico Stasyszyn | Ewald Puchwein |
| Oct 27 | Rob Wiersma | Tomas Tecce (IAFE, Argentina) |
| Nov 3 | Nicolas Taburet (IAS Paris): "The SZ contribution in CMB power spectra analysis" | Mike Boylan-Kolchin |
| Nov 10 | Luca Graziani | Eyal Neistein |
| Nov 17 | Jesus Zavala | Markus Wadepuhl |
| Nov 24 | Alvaro Orsi (ICC, Durham): "Large scale structure traced by emission-line galaxies" | --- |
| Dec 1 | Georg Robbers | Petr Kuchar |
| Dec 8 | Cheng Li | Massimo Dotti |
| Dec 15 | Thomas Greif | Silvia Bonoli |