Mr. Dolgov was born in 1968.
1990 — He graduated from Moscow State Institute (University) of International Relations with a major in international relations.
1990 – Diplomatic service
1990—2004 — Held a number of positions at the central administrative office of the Ministry of Foreign Affairs and abroad.
2004—2011 — Deputy Permanent Representative of the Russian Federation to the UN in New York.
April 2011 — Commissioner of the Russian Ministry of Foreign Affairs for Human Rights, Democracy and the Supremacy of Law and Ambassador at Large.
November 2011—October 2013 — Co-Chairman of the Working Group on Civil Society of the Russian-American Presidential Commission.
Mr. Dolgov is a member of the Coordinating Council of the Chairman of the Federation Council for Interaction with Civil Society Institutions, the Expert Council under the Commissioner of the Russian President for Child Rights, the Working Group under the Federation Council in charge of verifying the observance of the constitutional rights of Russian citizens to the inviolability of private life as well as personal and family privacy when processing personal data.
In 2013, he was nominated by the Russian Federation as a candidate for the post of the OSCE High Commissioner on National Minorities.
As of 24 November 2014, he has been a member of the Coordinating Council under the Russian President for the National Action Strategy for Children in 2012—2017.