In 2018, Walker retired as CEO of Herman Miller Inc. after a 29-year career. Prior roles at Herman Miller included president and COO as well as EVP and CFO. He currently serves on the boards of Cooper Tire & Rubber Co. and Universal Forest Products Inc. President and Chief Executive Officer of Herman Miller, Inc., a global provider of office furniture and services. President and Chief Operating Officer from 2003-2004, and President of Herman Miller, N.A. from 1999-2003; previously Chief Financial Officer. Director of Herman Miller, Inc.