Boris Berezovsky
Exiled Russian oligarch.
25 Grosvenor Street
Berezvsky owns 25 Grosvenor Street in Mayfair, where Polonium traces were found in November 2006 following the death of Alexander Litvinenko.[1]Two British security companies, Titon International and Erinys International rent premises in the building. Erinys subsequently confirmed that Litvinenko had visited its offices.[2]
