Sergey has considerable experience in the legal field. Thus, from 2002 to 2009, Sergey held various positions (starting from a junior lawyer and ending with the head of the legal department) in several Russian professional participants of the securities market, being responsible for interaction with commercial and operational divisions on the entire range of issues arising in the course of brokerage, depository and securities trust management activities.
Starting in 2010, Sergey joined the O1 team, heading its legal function. During 2010-2018. Sergey headed the legal department of the holding structure, at the same time monitoring and controlling the quality of the work of the legal departments of the subsidiaries of O1 in such areas as the development of residential urban and suburban real estate, the acquisition and operation of commercial real estate, the activities of non-state pension funds.
In 2002, Sergey graduated from the Moscow State Law Academy, and in 2004 he received a diploma with honors from the Russian School of Private Law.