Grigoryants Vladislav Semenovich
2009 : International Congress of Plastic Surgery "Global Cooperation", Armenia, Yerevan;
2008 : International Congress of Surgeons of Armenia, Yerevan;
2007 : I-st Congress of Plastic and Reconstructive Surgeons of Armenia, Tsaghkadzor, Armenia;
2006 : V-th International Congress of Plastic, Reconstructive and Aesthetic Surgery, Armenia, Yerevan;
2005 : The 3rd International Conference of Young Physicians, Armenia, Yerevan;
2003 : All-Armenian International Surgical Congress, Yerevan, Armenia;
2003 : 14th Congress of Surgeons of Southern Caucasian countries, Georgia, Tbilisi.