International Conference ParticipationButyagin has participated extensively in international academic forums:
- 5th International Congress on Black Sea Antiquities (Belgrade, 2013) — published "Excavation of Ash Hill 2 in Myrmekion"
- 6th International Congress on Black Sea Antiquities (Constanța, 2018) — presented research on "Myrmekion during and after Greek colonisation"
- 7th International Congress on Black Sea Antiquities (Thessaloniki, Greece, 2022)
- 17th International Congress of Classical Archaeology (Rome, 2008)
- 3rd International Conference "The Black Sea in Antiquity" (Tekkeköy, Turkey, 2017) — co-authored presentation on "Essay on the Economy of Myrmekion in Pre-Roman Times"
- PONTICA 2008: Recent Research on the Northern and Eastern Black Sea in Ancient Times — published "New Research in the Environs of the Acropolis of Myrmekion"
- SOMA 2016: Symposium on Mediterranean Archaeology — contributed proceedings publication
His research has been presented at numerous symposia dedicated to Black Sea archaeology, ancient Greek colonization, and Bosporan studies.