Guy Ghazanchyan was born in 1991, Yerevan, Armenia. During 2007-2011 he attended the Yerevan State Academy of Fine Arts, Department of Painting.
He is the winner of the first prize, after E. Isabekyan, for the Best Diploma of the Year award. During 2011 and 2013, he was a student of magistracy at Yerevan Academy of Fine Arts, and a resident at Cite des Art in Paris.
He has held many private and collective exhibition in Armenia and around the world, particularly in Armenia, Germany, and Georgia.