Sinan Djepov is an amateur 5 dan player from Bulgaria. He learnt the game Taner Tuna. In 2018 he won the European Youth Championship under twenty.
He has written, or edited, two books:
- European Youth Go Yearbook 2019
- Go Studies: A History of Adventure pdf version
He also created the ExploreBaduk website, which is currently offline and updating to a new version.