基思O. Rattie,66,加盟公司董事会在2019年六月,他是目前瓦拉里斯公司(前身为恩斯克国际公司)的董事,并担任审计委员会主席。Rattie也选择能源服务公司的董事,并担任审计委员会和提名与治理委员会的主席。He has more than 40 years of experience in the oil and gas industry, including as President of Questar Corp. from 2001 until 2010 and chief executive officer from 2002 until 2010. He also served on Questar’s board from 2001 until 2014, including as chairman from 2003 until 2010 and non-executive chairman from 2010 to 2012. Before joining Questar, Rattie was an executive with Coastal Corporation, a diversified energy company. He also spent 19 years with Chevron Corp. in various engineering and management positions, including as general manager of Chevron’s international gas unit. Rattie earned a bachelor’s degree in electrical engineering from the University of Washington and a master’s in business administration from St. Mary’s College.