Mr. Anton Dibowitz has been Chief Executive Officer of Seadrill Management Ltd at SeaDrill Limited since July 1, 2017. Mr. Dibowitz served as the Chief Commercial Officer and Executive Vice President of Seadrill Ltd until July 1, 2017. Mr. Dibowitz served as an Executive Vice President of Seadrill Management Ltd. from June 6, 2016 to July 1, 2017. Mr. Dibowitz has 20 years drilling industry experience, Deepwater Western Hemisphere Division, since joining Seadrill in April 2007. He served as the Chief Commercial Officer and Senior Vice President of Seadrill Management Limited since January 2013 until June 6, 2016. He served as Vice President of Marketing at Seadrill Management AS since January 2010. Prior to Seadrill, Mr. Dibowitz held various positions within tax, process reengineering and marketing at Transocean and within tax services at Ernst & Young LLP. Mr. Dibowitz is a Certified Public Accountant and a graduate of the University of Texas at Austin where he received a Bachelor degree in Business Administration and master degrees in Professional Accounting and Business Administration (MBA).