Atanas Kolev graduated from the Mathematical High School "Dr. Petar Beron" - town of. He graduated from Varna. At the age of 14 he joined the basketball team "Cherno More", and this sport is his passion to this day. He was a finalist in X Factor Bulgaria in 2013. In 2018, Atanas Kolev was invited to participate in another reality format - "VIP Brother". There he managed to finish first as a total favorite of viewers. After the end of X Factor, Atanas Kolev started to release songs, and he is better known among his fans simply as Nasko. A blip in his career came after a scandal with pop diva Maria Ilieva, after which a hiatus followed for him, but after it the young artist released hit after hit, such as "Wow", "That's Me", "That's Not Me", "Marsh Kuecek" and others. In 2021, he also released his debut album called "Who Am I?". In December 2021, he graduated as a doctor at the Medical University of Varna.