Boris Berezovsky
Boris Berezovsky is a Russian businessman. According to the Independent, he was seen as "the original oligarch... ..the richest and most influential of Russia's new tycoons, a compulsive networker with fingers in many pies", before he left Russia for exile in the UK in 2000.[1]
25 Grosvenor Street
Berezovsky owns 25 Grosvenor Street in Mayfair, where Polonium traces were found in November 2006 following the death of Alexander Litvinenko.[2]Two British security companies, Titon International and Erinys International rent premises in the building. Erinys subsequently confirmed that Litvinenko had visited its offices.[3]
