Alexander Sergeevich Gribok was born on January 29th, 1971.In 2004, he graduated from Irkutsk State Technical University with a degree in «chemical technology of natural energy carriers and carbon materials». In 2013-2016, he studied at the Russian Presidential Academy of National Economy and Public Administration and received diploma of "Master of Business Administration" qualification.

Professional achievements were noted at the Federal level: in 2016, Alexander Sergeevich was awarded a certificate of honor by the Ministry of Energy of the Russian Federation.

Alexander Gribok started his career in the industry in May 1991 at «Angarsk petrochemical company» JSC. He worked as a metal worker/technician for the maintenance of heat supply networks, as a process pumps operator, and as a process unit operator. Then he held senior positions: HCU 3 Deputy Superintendent, HCU Superintendent, Production Unit Deputy Superintendent, Production Unit Superintendent. Later he was appointed as Production Department Deputy Head of the Angarsk refinery.

After 18 years of work in Angarsk, he received an invitation to a refinery in Bosnia and Herzegovina, where from 2009 to 2013 he rose from Deputy Production Technical Director to Technical Director of the refinery.

In August 2013-March 2015 - Deputy Production Technical Director of JSC "Syzran Oil Refinery".

After that, he worked for more than two years as Deputy Technical Director of «Angarsk petrochemical company» JSC.

Since November 2017 – Technology Director, Deputy Director for development of «Bashneft Ufaneftekhim» - a branch of PJSC «ANK Bashneft».

Since March 2020 - General Director of «Afipsky NPZ» LLC.