Andrew J. Hall is Chairman and Chief Executive Officer of Astenbeck Capital Management LLC. Mr. Hall has been with Astenbeck since its inception in 2010. From 1991 through 2014 Mr. Hall was Chairman and CEO of Phibro where he worked for 32 years. Prior to Phibro, Mr. Hall was employed by British Petroleum. Mr. Hall graduated from Oxford University in 1973 and also holds an MBA from INSEAD.