Foster M. Northrup, 85, passed away January 28, 2020. Foster graduated from ASU with a Bachelor of Science Degree in Economics and Management and earned a Master of Science in Education from Purdue University. He was on the administrative staff of Purdue University and ASU. He served as Assistant Director of Public Health for Ambulatory Care, Director of Long Term Care, Director of Maricopa Health Plan, and Director of Maricopa Managed Care Systems for the Maricopa County Department of Health Services until his first retirement. He retired again from the group of William M. Mercer Inc. Volunteer activities included board member and Chairman of the Board of Directors of the Area Agency on Aging, and charter member of the Sky Harbor Navigators. Foster is survived by his wife, Nancy, blended family members including eight children, twelve grandchildren and 15 great-grandchildren. Services will be held on Tuesday, February 18, 2020 at 2:00 PM, at Messinger Mortuary, 12065 N. Saguaro Blvd, Fountain Hills, AZ. Please consider contributions to the Area Agency on Aging in lieu of flowers.