Anthony David Cocker is a British businessperson who has been at the head of 6 different companies and presently occupies the position of Chairman of Infinis Energy Management Ltd. Mr. Cocker is also on the board of SSE Plc and Deputy Chairman & Governor at Warwick Independent Schools Foundation.

In the past he occupied the position of Chairman of Energy Innovation Centre Ltd., Chairman & Chief Executive Officer at E.ON UK Plc, Non-Executive Chairman of Tooley Energy Ltd., Independent Non-Executive Chairman of Affinity Water Ltd. and Chief Executive Officer of E.ON Energy Trading SE.