Ronald W. Haddock is an American businessperson who has been the head of 7 different companies. Currently, Mr. Haddock occupies the position of Chairman of Ashmore Energy International Holding Ltd. and Chairman & Chief Executive Officer of AEI Services LLC (a subsidiary of Ashmore Energy International Holding Ltd.) and Chairman of Safety-Kleen, Inc. Mr. Haddock is also on the board of Delek Logistics Partners LP, Petron Corp., SepraDyne Corp. and Delek Logistics GP LLC.

In his past career he occupied the position of Chairman of Rubicon Offshore International Pte Ltd., Manager-Baytown Refinery at Exxon Mobil Corp. and Vice President-Refining & General Manager at Exxon Corp. (a subsidiary of Exxon Mobil Corp.), Director & Vice President at Esso Eastern, Inc., Chairman & Chief Executive Officer at Safety-Kleen Systems, Inc., Chairman & Chief Executive Officer of Prisma Energy International, Inc., Chief Executive Officer at FINA, Inc. and Secretary & Treasurer at American Heart Association, Inc.

Mr. Haddock received an undergraduate degree from Purdue University.