Invited speakers who will illuminate the key issues in the programme sessions include the currently confirmed (v20141022):

• Luis Aguilar (UNAM, Ensenada, Mexico)
• Joss Bland-Hawthorn (University of Sydney, Australia)
• Jo Bovy (Institute for Advanced Studies, Princeton, USA)
• Anthony Brown (Leiden University, The Netherlands)
• Cristina Chiappini (AIP, Potsdam, Germany)
• Jos de Bruijne (ESTEC, ESA, The Netherlands)
• Wyn Evans (Institute of Astronomy, University of Cambridge, UK)
• Misha Heywood (Observatoire de Paris, France)
• Zeljko Ivezic (University of Washington, Seattle, USA)
• Anders Johansen (Lund University, Sweden)
• Sergei Klioner (Lohrmann Observatory, Dresden, Germany)
• Rubina Kotak (Queen's University Belfast, UK)
• Laura Magrini (INAF-Acetri, Italy)
• Ivan Minchev (Leibniz-Institut für Astrophysik Potsdam, AIP)
• Josefina Montalban (University of Leige, Belgium)
• Timo Prusti (ESTEC, ESA, The Netherlands)
• Justin Read (University of Surrey, UK)
• Alejandra Recio-Blanco (Observatoire Cote d'Azur, Nice, France)
• Ignasi Ribas (Institut de Ciencies de l'Espai, Barcelona, Spain)
• Hans-Walter Rix (MPIA, Heidelberg, Germany)
• Ralph Schoenrich (Oxford University, UK)
• Alessandro Sozzetti (INAF-Torino, Italy)
• Matthias Steinmetz (AIP, Potsdam, Germany)
• Patricia Whitelock (SAAO, Cape Town, South Africa)