Designated participants who require a visa to enter Ukraine should submit the necessary application to the nearest diplomatic or consular representative of Ukraine as soon as possible. A letter of invitation, if needed, can be requested from:

Vadim A. Makhlay-Local Scientific Officer or
Viktoriya Garkusha - Secretary

The List of countries which have the Visa-free Movement regime with Ukraine is available here

Only officially nominated participants are entitled to receive an invitation letter