The following mathematicians accepted to give a plenary talk:

• Mike Bennett, University of British Columbia (Canada)
• Yann Bugeaud, University of Strasbourg (France)
• Cecile Dartyge, University of Lorraine (France)
• Jan-Hendrik Evertse, Leiden University (The Netherlands)
• Daniel Goldston, San José State University (USA)
• Henryk Iwaniec, Rutgers University (USA)
• Jerzy Kaczorowski, Poznan University (Poland)
• Attila Pethő, University of Debrecen (Hungary)
• Ákos Pintér, University of Debrecen (Hungary)
• Carl Pomerance, Dartmouth College (USA)
• Szilárd Révész, Renyi Institute (Hungary)
• Joël Rivat, Aix-Marseille University (France)
• Igor Shparlinski, University of New South Wales (Australia)
• Cameron L. Stewart, University of Waterloo (Canada)
• Robert Tichy, Graz University of Technology (Austria)
• Robert Tijdeman, Leiden University (The Netherlands)
• Arne Winterhof, Johann Radon Institute (Austria)
• Cem Yalçın Yıldırım, Bogaziçi University  (Turkey)