Mark E. Tomkins

Mark E. TomkinsMark E. Tomkins was appointed to the board of directors in June 2015, and served as chair from May 2016 until May 2019.

Tomkins also currently serves on the board of directors of W. R. Grace & Co., a specialty chemical and specialty materials manufacturing and production company. He has also served on the boards of CVR Energy, Inc., a petroleum refining and nitrogen fertilizer manufacturing company, and Elevance Renewable Sciences, a renewable chemicals startup, privately owned by TPG and Naxos.

Tomkins served as senior vice president and chief financial officer of Innovene, a petrochemical and oil refining company, a subsidiary of British Petroleum. Prior to Innovene, he served as chief financial officer of Vulcan Materials Company, the nation’s largest producer of construction aggregates, and held the same title at Great Lakes Chemical Corporation. Tomkins has also held several senior level operating finance positions with Allied Signal and Monsanto. He is a certified public accountant. Tomkins’ experience as a CFO, operating leadership team member and public company board member make him a valued member of our board of directors.