● 10th Anniversary International Forum "High technologies of the XXI century" (April 2009)

● ICONO/LAT-2007 Conference in Minsk (May 2007)

● Conference in Adler (September 2005)

● ICONO/LAT-2005 Conference in Saint Petersburg (May 2005)

● International congress in Athens (February 2005)

● BPO-2004 Conference in Saint Petersburg (October 2004)

● Conference in Granada (October 2004)

● Visit to Cheboksary (July 2004)

● First Conference of Medical Physics in Troitsk (May 2004)

● Visit to USA (September 2003)