Serik Sapiev was born in 1983 in the Karaganda region. He graduated from the Buketov Karaganda State University as a physical education teacher and with a major in law; in 2014 he graduated from Brunel University (Bolashak Fellow); in 2016 he received a master's degree in pedagogical sciences from the Kazakh Academy of Sport and Tourism.
He began his career in 2002. In various years, he worked as a trainer-teacher, sports director at the Kazakhstan Boxing Federation, general director of Astana Arlans.
From February 2017 to the present, he served as a deputy of the Mazhilis of the Parliament of Kazakhstan of the sixth convocation, a member of the Committee on Socio-Cultural Development.
Two-time world boxing champion (2005, 2007), two-time Asian champion (2007, 2009). Bronze medalist of the World Championship (2009). Winner of the Asian Games (2010). Silver medalist of the World Championship (2011).