Oleksandr "Sasha" Chemerov (born 4 August 1981; Ukrainian: Олександр Валерійович Чемеров, Oleksandr Valeriyovych Chemerov) is a Ukrainian rock musician, songwriter, DJ and the frontman of Ukrainian rock band Dymna Sumish and of US rock band The Gitas. Also, he was the author (both music and lyrics) of the songs for the bands Quest Pistols Show (before 2016) and Agon, for actor, TV presenter and singer Arthur Pirozhkov and for singer Valeria Kozlova, also he was the author of lyrics for songs of English-language album of Ivan Dorn. Music videos of songs written by Sasha Chemerov had hundreds of millions of views on YouTube as of May 2020.

Oleksandr Chemerov was born on August 4, 1981, in Chernihiv a Ukrainian city 148 km (91 mi) north to the capital Kyiv. His father was a restaurateur and local politician and mother was stewardess.^[1] He began to play rock music in the age of 14 and in 1998 he founded the band Dymna Sumish which played mainly grunge and already in 1999 won the second place^[2] on Chervona Ruta (festival) and in next years won highest places on several another festivals including Woodstock Festival (Poland). The band released three albums: Ty zhyvyi (2005) (Ти живий), V kraini iliuziy (2008) (В країні ілюзій) and Dymna Sumish (2009) (Димна Суміш).

In 2012 Oleksandr Chemerov moved from Ukraine to the United States. In January 2015 he founded in Los Angeles the English-language rock band "The Gitas" which released EP "Garland" in 2015 and 13-track album "Beverly Kills" in 2017.^[9]