Mark is a principal at Compensia and is arguably the foremost authority on SEC disclosure issues, and he is a prolific writer and speaker on executive pay issues. Prior to joining Compensia, Mark was a Principal at Mercer in their Washington Resource Group in Washington, DC.  Prior to Mercer, Mark was a Special Counsel in the Office of Rulemaking, Division of Corporation Finance with the SEC and had served as the General Counsel for ShareData, Inc.