Curtis L. Dinan

Curtis Dinan is senior vice president, chief financial officer and treasurer for ONEOK and senior vice president, chief financial officer and treasurer for ONEOK Partners, and a member of the ONEOK Partners Board of Directors.
He joined ONEOK in February 2004, after being an audit partner with both Arthur Andersen LLP and Grant Thornton LLP.
Dinan is a member of the American Institute of Certified Public Accountants, the Oklahoma Society of CPAs and is an advisory board member for the Breech School of Business at Drury University in Springfield, Missouri. He is also a past president, treasurer and director of Tulsa Court Appointed Special Advocates, a graduate and past treasurer and director of Leadership Tulsa, past treasurer and director of the Child Abuse Network and a graduate of Leadership Oklahoma.
A Missouri native, Dinan earned Bachelor of Arts degrees in accounting and business administration in 1989 from Drury University. He is also a graduate of the Advanced Management Program at Harvard Business School.