William K Hall

William K. Hall is the co-founder and Chairman of Procyon Technologies, Inc., a privately owned, Chicago-based holding company which focuses on the acquisition and growth of suppliers to the global aerospace and defense industry. Prior to assuming that position in 2000, Mr. Hall was Chairman and Chief Executive Officer of Falcon Building Products, Inc., a manufacturer and distributor of products for residential and commercial construction and home improvement markets. He currently serves on the boards of Actuant Corporation, Great Plains Energy Incorporated, A. M. Castle & Co., and Stericycle, Inc. Mr. Hall, an independent director, was first elected a director of Grainger in 2005 and is a member of the Audit Committee and the Board Affairs and Nominating Committee.