1. Department of Head and Neck Aesthetic and Reconstructive Surgery, National Institute of Health (NIH), Deputy Medical Director of ARTMED medical rehabilitation center
2. Department of Oral and Maxillofacial Surgery, Yerevan State Medical University after M. Heratsi, Armenia
3. Department of Head and Neck Aesthetic and Reconstructive Surgery, National Institute of Health (NIH),
4. Department of Oral and Maxillofacial Surgery, Yerevan State Medical University after M. Heratsi, Armenia, Maxillofacial Surgeon, Central Cliniacal Militery Hospital, Armenia