John Krenicki Jr., 57, joined the board of directors in June 2018. He is a senior operating partner at the private-equity investment firm Clayton, Dubilier & Rice LLC and is chairman or lead director of three privately held entities controlled by Clayton, Dubilier & Rice. Previously, Krenicki built a 29-year career at General Electric Co., where he served as vice chairman as well as president and CEO of GE Energy, among other executive positions. Krenicki currently serves as lead director on the board of NCI Building Systems, Inc., and previously served as board chairman of ServiceMaster Global Holdings and CHC Group and as a director of Hess Corp. He has a master’s degree in management from Purdue University and a bachelor’s degree in mechanical engineering from the University of Connecticut. He also is a member of the National Petroleum Council.