1971 - Born in Yerevan, Armenia
1996 - Graduate Yerevan State Academy of Fine Arts, Faculty of Painting
1996 - Member of International Federation of Artists and National Artist's Union of Russia
2007 - Member of Armenian Union of Artists
1989 - 2010 - Has exhibited many times in republican and international exhibitions, particularly Leo Leos paintings are displeyed at the Artists House of Moscow, Union of Artists of Armenia, Armenian Embassy in Moscow, private art galleries in Armenia and foreign countries.
1998 - Personal exhibition at "Goyak" art gallery, Yerevan
2000 - Group exhibition "Armenian artists on cyberspacial relations", ACCEA, Yerevan
2000 - Group exhibition, Second International Art Biennale, Gyumri, Armenia
2010 - Abstract Art Exhibition at the Museum of Modern Art, Yerevan