There is (incomplete) list of my visitors in Athens:

• Sergey Galkin,
• Vanya Yakovlev (Moscow),
• Sasha Efimov (Moscow),
• Dima Kaledin (Moscow),
• Mitya Kubrak (MIT)x3,
• Federico Buonerba (NY),
• Alex Perry (Columbia),
• Ljudmila Kamenova (Stony),
• Misha Verbitsky (IMPA),
• Vanya Telpukhovskiy (Toronto),
• Lyonya Monin (Toronto),
• Eduard Duryev (Paris),
• Bogdan Zavjalov (Stanford)x2,
• Kolya Konovalov (Notre Dame)x2,
• Borys Kadetz (MIT)x2,
• Sasha Petrov (Harvard),
• Grisha Papayanov (Northwestern)x2,
• Kostya Tolmachov (Toronto),
• Sveta Makarova (MIT),
• Yakov Kononov (Columbia),
• Dmitry Pirozhkov (Columbia)

possible future visitors:

• Sasha Kuznetsova (Paris),
• Catrine Rey (Northwestern),
• Egor Yasinksy (Basel),
• Kostya Loginov (HSE, Steklov),
• Eyal Markman (UMass)

There is (incomplete) list of my visitors in Moscow:

• Giovanni Mongardi (Bologna),
• Grzegorz Kapustka (Krakow),
• Andrea Cattaneo (Fiorence),
• Enrica Mazzon (London/Bonn),
• Christian Lehn

possible future visitors:

• Phil Engel,
• Raju Krishamoorthy