Valentin Borisovich Yumashev (Russian: ???????? ????????? ??????, b.
15 December 1957, in Perm, Soviet Union) is a Russian journalist, politician and businessman-developer, member of the inner circle of President Boris Yeltsin.
He was Editor-in-Chief of Ogonyok in 1995-1996.
In 1996, he was appointed adviser to President Boris Yeltsin for public relations.
In March 1997, Yumashev succeeded Anatoly Chubais in the powerful position of the Chairman of the Presidential Executive Office.
In December 1998, he was dismissed from that position.