Born March 23, 1961 In 1983 he graduated from the Faculty of Geography Moscow State University, specializing in economic and political geography of foreign countries Sotsialistichesky "(regional geography). , Intern at the Budapest University. EцTtvцTs speaks English and Hungarian.
After graduation and until the spring of 1990 worked as a research associate at the Institute of Economics of the world socialist system (IEMSS) USSR.
In 1983 he held an internship in Hungary.
Since 1991 - PhD student of the Moscow Institute of Law.
In 1987, he became one of the founders and leaders of the club's "Perestroika", and after his split in late 1987 on the "democratic reconstruction" (DP) and "perestroika-88" was sopredse-chairman of the club BF (1988-1990).
In June and July 1988 participated in the Organizing Committee of the ISF, which advocated a compromise between a strictly socialist "majority" and "minority", who advocated democratic demands priorioritet.
Shortly after retiring in July 1988, six of clubs "minority" of the Organizing Committee, Rumyantsev
(like the DP in general), withdrew from participation in the MNF. During the election campaign for the elections of People's Deputies of the USSR in 1989 was a trustee director IEMSS Academician Oleg
In November 1989, was adopted on the recommendation of academician Andrei Sakharov, Yuri Afanasiev and Leonid Batkin, the club "Moscow Tribune".
In March 1990 he was elected people's deputy of RSFSR Kakhovsky constituency (Moscow).
June 1990 - Secretary of the Constitutional Commission of the Congress (in January 1992 decision of the Supreme Council (SC) endowed with rights and duties of the chairman of the Committee).
In 1991 he became a member of the Council of the Republic Sun. One of the main authors of the new draft Constitution of RF. In 1990 - 1991 respectively served simultaneously in the parliamentary faction "United Russia faction of the Republican Party (RPRF) and the Social Democratic Party of Russia (SDPR) and DR (the number in the group as" radical democrats ", . but really in its activities did not participate),
In May 1990, at the constituent congress of the Social Democratic Party of Russia (SDPR) was elected a member of the Presidium of the Board SDPR.
From late 1990 until the spring of 1991 he was a member of the Coordinating Council (CC) Movement of DR quota of parties and public organizations, as a representative of SDPR. Suspended its membership in the Constitutional Court because of differences with the leaders of DR on the methods of political work.
In September 1992, recalled from his post as deputy chairman (and automatically - from the Board). Shortly thereafter, Rumyantsev
has suspended its membership in the SDPR.
In December 1992, removed from the Political Council of SDPR.
At the founding conference RSDTS 28 November 1992 elected as Chairman of the Council RSDTS. Dossier on Rumyantsev, OG