Republic Services, Inc. announced that healthcare industry executive Brian S. Tyler, Ph.D., has been appointed to its Board of Directors, bringing its membership to a total of 12. He will serve on the Audit Committee as well as the Sustainability & Corporate Responsibility Committee. Tyler is the chief executive officer of McKesson Corporation. With 24 years at McKesson, Tyler has served in a variety of leadership roles with increasing responsibility across the company's global footprint, including president and chief operating officer, chairman of McKesson Europe AG, and executive vice president, chief strategy & business development officer.