Born in Zhytomyr, on 21 December 1961, Kryzhanivsky graduated from Taras Shevchenko National University of Kyiv, (1984).

Degree in jurisprudence from the Institute of State and Law, Academy of Sciences of Ukraine (1987).

From 06.1998 to 08.1998 - Deputy Director Department of European and Transatlantic Integration, Ministry of Foreign Affairs of Ukraine.

From 01.1999 to 09.2000 - Deputy Director Department of European Integration, Ministry of Foreign Affairs of Ukraine.

From 03.2003 to 03.2005 - Deputy Head Main Directorate on Foreign Policy issues, Administration of the President of Ukraine.