Gazprom closing in on Sibir

Russian gas export giant Gazprom Neft yesterday appointed Igor Tsibelman as new chief executive of Sibir Energy in a sign the state-controlled oil major is tightening its grip on the London-listed company.  Tsibelman, head of international legal affairs at Gazprom Neft, will replace Sibir Energy's acting chief executive Stuard Detmer with immediate effect, Sibir said. Yesterday Gazprom said it had become Sibir Energy's biggest stakeholder, accumulating 34 per cent of shares.