Akin Gump Strauss Hauer & Feld has continued to strengthen its City base by taking top-rated King & Spalding partner – and principal outside counsel to oil giant ExxonMobil – as head of the Texas firm’s energy transactions practice.

Cogan, who will divide his time between the firm’s London and Houston offices, boasts ChevronTexaco, BP Amoco and Zurich Corporation among his clients.