• (2000/09/03--2000/09/09) The C.I.M.E. Summer School (Martina Franca, Italy)
  
  
• (2000/08/15--2001/05/15) The full year program "Operator algebras", MSRI (Berkeley, USA)
  
  
• (2004/10/28--2004/11/04) The structure of Amenable Systems, BIRS (Banff, Canada)
  
  
• (2005/06/19--2005/06/24) 33rd Canadian Operator Symposium (Ottawa, Canada)
  
  
• (2006/02/07--2006/02/14) Universite Claude Bernard Lyon 1 (Lyon, France)
  
  
• (2006/08/22--2006/08/30) International Congress of Mathematicians (Madrid, SPAIN)
  
  
• (2007/01/27--2007/01/30) Japan-US Operator algebra seminar (Hawaii, USA)
  
  
• (2009/08/16--2009/08/22) 12th Workshop: Non-commutative Harmonic Analysis (Bedlewo, Poland)
  
  
• (2010/08/09--2010/08/13) Satellite Conference on Operator Algebras (Chennai, India)
  
  
• (2011/02/07--2011/02/19) Reserch Program on the Cuntz semigroup and the Classification of C*-algebras, CRM (Bercelona, Spain)
  
  
• (2011/05/23--2011/06/03) Von Neumann algebras and ergodic theory of group actions, IHP (Paris, France)
  
  
• (2011/06/06--2011/06/10) Conference on Structure and Classification of C*-algebras, CRM (Bercelona, Spain)