| Name | Affiliation | Presentation |
| Alexander, David | Durham University | Talk |
| Alexander, Paul | MRAO, University of Cambridge | |
| Allen, Steve | Stanford University and SLAC | Talk |
| Arnaud, Keith | CRESST/UMD/GSFC | Poster #43 |
| Baganoff, Frederick | MIT Kavli Institute | Poster #1 |
| Ballantyne, David | The University of Arizona | Talk |
| Barcons, Xavier | Instituto de Fisica de Cantabria (CSIC-UC) | Talk |
| Bautz, Mark | MIT Kavli Institute | |
| Begelman, Mitch | University of Colorado | Talk |
| Blandford, Roger | Stanford University / KIPAC | Talk |
| Blundell, Katherine | University of Oxford | |
| Blustin, Alexander | IoA, Cambridge | Poster #2 |
| Böhringer, Hans | Max-Planck-Institut für extraterrestrische Physik | Talk |
| Bond, Richard | University of Toronto & CITA | Poster #34 |
| Brandt, Niel | Penn State Astronomy and Astrophysics | Talk |
| Bregman, Joel | University of Michigan | Poster #22 |
| Brenneman, Laura | NASA/GSFC (ORAU) | Poster #44 |
| Buote, David | University of California, Irvine | Talk |
| Caballero-Garcia, Maria | IoA, Cambridge | Poster #23 |
| Canizares, Claude | Massachusetts Institute of Technology | Talk |
| Celotti, Annalisa | S.I.S.S.A. | Talk |
| Chakravorty, Susmita | IUCAA, Pune | Poster #3 |
| Chapman, Scott | IoA, Cambridge | Poster #4 |
| Charles, Philip | South African Astronomical Observatory | Poster #24 |
| Churazov, Eugene | MPA, IKI | Talk |
| Coppi, Paolo | Yale University | |
| Crawford, Carolin | IoA, Cambridge | |
| Crummy, Jamie | SISSA | |
| Day, Charles | Physics Today, American Institute of Physics | |
| De Marco, Barbara | S.I.S.S.A./ISAS | Poster #5 |
| Di Matteo, Tiziana | Carnegie Mellon University | Talk |
| Done, Chris | University of Durham | Talk |
| Donley, Jennifer | University of Arizona | Poster #6 |
| Dunn, Robert | University of Southampton | Poster #25 |
| Edge, Alastair | Durham University | Talk |
| Efstathiou, George | IoA, Cambridge | |
| Elvis, Martin | Harvard-Smithsonian Center for Astrophysics | |
| Erlund, Mary | IoA, Cambridge | Poster |
| Ettori, Stefano | INAF OA Bologna | Talk |
| Fabbiano, Giuseppina | Harvard-Smithsonian CfA | |
| Fabian, Andy | IoA, Cambridge | Talk |
| Fender, Rob | University of Southampton | Talk |
| Ferland, Gary | University of Kentucky | Talk |
| Forman, Bill | SAO | Talk |
| Frenk, Carlos | University of Durham | Talk |
| Gallagher, Sarah | University of Western Ontario | Talk |
| Gallo, Luigi | Saint Mary's University | Poster #8 |
| Gandhi, Poshak | RIKEN Cosmic Radiation Lab | Poster #26 |
| Genzel, Reinhard | Max Planck Institute for Extraterrestrial Physics | Talk |
| George, Matthew | IoA, Cambridge | Talk Poster #9 |
| Ghisellini, Gabriele | INAF-Osservatorio Astronomico di Brera | Talk |
| Graham, James | IoA, Cambridge | |
| Haehnelt, Martin | IoA, Cambridge | |
| Harris, Daniel | Harvard-Smithsonian Center for Astrophysics | Poster #10 |
| Hasinger, Günther | Max-Planck-Institut für extraterrestrische Physik | Talk |
| Hatch, Nina | Leiden Observatory | Talk |
| Heinz, Sebastian | University of Wisconsin-Madison | Talk |
| Hewett, Paul | IoA, Cambridge | |
| Hornschemeier, Ann | NASA GSFC | Talk |
| Irwin, Mike | IoA, Cambridge | |
| Iwasawa, Kazushi | INAF - Osservatorio Astronomico di Bologna | Talk |
| Johnstone, Roderick | IoA, Cambridge | Talk |
| Jones, Christine | CfA | Talk Poster #11 |
| Jonker, Peter | SRON & CfA | Poster #27 |
| Kennicutt, Rob | IoA, Cambridge | |
| Krolik, Julian | Johns Hopkins University | Talk |
| Kunieda, Hideyo | Nagoya University | Talk |
| Lahav, Ofer | University College London | |
| Larsson, Josefin | IoA, Cambridge | Poster #12 |
| Lee, Julia | Harvard University | Talk |
| Lehmer, Bret | University of Durham | Poster #35 |
| Maccione, Luca | SISSA | |
| Malzac, Julien | CESR/CNRS | Poster #28 |
| Marconi, Alessandro | Dipartimento di Astronomia, Università di Firenze | Talk |
| Markoff, Sera | Astronomical Institute, University of Amsterdam | Poster #13 |
| Matt, Giorgio | Universita Roma Tre | |
| McMahon, Richard | IoA, Cambridge | |
| McNamara, Brian | University of Waterloo | |
| Merloni, Andrea | MPE, Garching | Talk |
| Miller, Jon | University of Michigan | Talk |
| Miniutti, Giovanni | Laboratoire APC | Talk |
| Morris, Glenn | KIPAC | |
| Mushotzky, Richard | NASA/GSFC | Talk |
| Nandra, Paul | Imperial College London | Talk |
| Natarajan, Priya | Yale | |
| Nulsen, Paul | Harvard-Smithsonian Center for Astrophysics | Talk |
| O'Neill, Sean | University of Maryland, College Park | Poster #32 |
| Parrish, Ian | UC Berkeley | Poster #36 |
| Peterson, John | Purdue University | Talk |
| Ponman, Trevor | University of Birmingham | |
| Ponti, Gabriele | Lab. Astroparticule et Cosmologie | |
| Porter, Ryan | University of Kentucky | Poster #14 |
| Pounds, Ken | University of Leicester | Talk |
| Poutanen, Juri | University of Oulu | Poster #33 |
| Raimundo, Sandra | IoA, Cambridge | Poster #15 |
| Rapetti, David | KIPAC (SLAC/Stanford) | Poster #37 |
| Rees, Martin | IoA, Cambridge | Talk |
| Reis, Rubens | IoA, Cambridge | Poster #29 |
| Reynolds, Chris | University of Maryland | Talk |
| Ross, Randy | Holy Cross College | Poster #30 |
| Rowan-Robinson, Michael | Imperial College, London
Imperial College London | |
| Russell, Helen | IoA, Cambridge | Poster #38 |
| Ruszkowski, Mateusz | University of Michigan | Talk |
| Salome, Philippe | Institut of Radio Astronomy (IRAM) | Poster #39 |
| Sanders, Jeremy | IoA, Cambridge | Talk |
| Sarazin, Craig | University of Virginia | Talk |
| Schmidt, Robert | Astronomisches Rechen-Institut (ARI) | Poster #40 |
| Sijacki, Debora | IoA, Cambridge | Poster #16 |
| Simionescu, Aurora | Max Planck Institute for Extraterrestrial Physics | Poster #41 |
| Soker, Noam | Technion, Haifa | |
| Stella, Luigi | INAF - Osservatorio Astronomico di Roma | Talk |
| Stewart, Gordon | University of Leicester | |
| Stone, Jim | Princeton University | Talk |
| Strateva, Iskra | MPE, Germany | Poster #31 |
| Tanaka, Yasuo | Max-Planck-Institut für extraterrestrische Physik | |
| Taylor, Greg | University of New Mexico | Talk |
| Thomas, Peter | University of Sussex | Talk |
| Tout, Chris | IoA, Cambridge | Poster #45 |
| Tsuruta, Sachiko | Montana State University | Poster #17 |
| Uttley, Phil | University of Southampton | |
| Vasudevan, Ranjan | IoA, Cambridge | Poster #18 |
| Vaughan, Simon | University of Leicester | Talk |
| von der Linden, Anja | KIPAC, Stanford University | Poster #42 |
| Wang, Jian-Min | Key Laboratory for Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences | Poster #19 |
| Ward, Martin | Durham University | |
| Warwick, Robert | University of Leicester | |
| Watson, Mike | University of Leicester | |
| White, Nick | NASA/GSFC | Talk |
| White, Simon | Max Planck Institut für Astrophysik | Talk |
| Wilman, Richard | Oxford University | |
| Young, Andrew | University of Bristol | |
| Zoghbi, Abderahmen | IoA, Cambridge | Poster #20 |