Mark W. Helderman

Director at ONEOK

Mark W. Helderman is the current Director at ONEOK. Prior to this, they were a private investor and retired Managing Director & Portfolio Manager at Sasco Capital, Inc. from March 1997 to February 2019.

Org chart

Julie H. Edwards

Board Chair

Jim W. Mogg

Director

Pattye L. Moore

Director

Gerald B. Smith

Director

Steven J. Malcolm

Director

Randall J. Larson

Director

Brian L. Derksen

Director

Eduardo A. Rodriguez

Director

Teams

+6

Board of Directors

9 members

Timeline

  • Director

    Current role