22-26 August 2011, Porto, Portugal

Local Organizing Committee
Carlos Martins (CAUP, Chair), Manuel Monteiro (CAUP, Sysadmin), Elsa Silva (CAUP, Admin), Vítor Cardoso (CENTRA), Miguel Costa (CFP), António da Silva (CAUP), Tom Girard (CFNUL), José Pedro Mimoso (CAAUL), Mário Santos (CENTRA)

CAUP Student Volunteers
Amélia Leite, Ana Catarina Leite, Gil Marques, Mafalda Monteiro, Miguel Oliveira, Pedro Pedrosa, José Pedro Vieira

Parallel Session Chairs
Bruce Bassett (Cape Town), Geneviève Belanger (Annecy), Philippe Brax (Saclay), Pedro Ferreira (Oxford), Ruth Lazkoz (Bilbao), Alessandro Melchiorri (Roma), David Mota (Oslo), Arttu Rajantie (Imperial), Graça Rocha (Caltech/JPL), Leszek Roszkowski (Sheffield/SINS Warsaw), Mikhail Shaposhnikov (Lausanne), Takahiro Tanaka (Kyoto)

International Steering Committee
Leszek Roszkowski (Sheffield/SINS Warsaw, Chair), Vernon Barger (Wisconsin), John Beacom (Ohio State), David Caldwell (Stanford), Sean Carroll (Caltech), Manuel Drees (Bonn), Jonathan Ellis (CERN), Kari Enqvist (Helsinki), Joshua Frieman (Fermilab), Evalyn Gates (Chicago), Ruth Gregory (Durham), Francis Halzen (Wisconsin), Stephen Hawking (Cambridge), Mark Hindmarsh (Sussex), Stavros Katsanevas (Paris), Jihn Kim (Seoul), Lloyd Knox (UCDavis), Rocky Kolb (Chicago), Julien Lesgourgues (CERN), Andrei Linde (Stanford), David Lyth (Lancaster), Hans-Peter Nilles (Bonn), Michael Ramsey-Musolf (Wisconsin), Antonio Riotto (CERN), Matts Roos (Helsinki), Graham Ross (Oxford),  Goran Senjanovic (ICTP), Jun'ichi Yokoyama (RESCEU, Tokyo)