Primary Job Title Board Of Director Primary Organization 
ONEOK
Location Dallas, Texas, United States Regions Dallas/Fort Worth Metroplex, Southern US Gender Male
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Brian Derksen served as global deputy chief executive officer of Deloitte Touche Tohmatsu Limited from 2011 until 2014, and as deputy chief executive officer of Deloitte U.S. from 2003 to 2011. Prior to that, he was U.S. managing partner of the financial advisory business unit of Deloitte U.S. and regional managing partner of the mid-America region
of Deloitte U.S.
