 PORTLAND, Ore.--BUSINESS WIRE--NW Natural Holding Companys NYSE: NWN board of directors has elected its new board chair, Malia H. Wasson, effective as of August 9, 2021. For the past seven years, Wasson has served as a member of the board, most recently as chairperson of the audit committee. Its an exciting moment in our 162-year history to welcome Malia as our board chair, said David H. Anderson, president and chief executive officer of NW Natural. Malia brings tremendous experience a 