He is the managing director of the Joseph and Vera Zilber Family Foundation as well as a vice chairman of Zilber Ltd. and the Towne Group of Companies, a diversified real estate development and asset management organization.
He was a corporate attorney at the law firm Foley & Lardner from 1964 until joining the Towne Group in 1969. He has served as an executive officer and director of various operating subsidiaries of Zilber Ltd., including Unicare Services, Elaine Powers Figure Salons, Union Prescription Centers, Wisconsin Toy and Novelty, Job Lot-Pushcart, Unicare Food Services and Universal Mortgage Corporation.
He has served as a director of several commercial banking operations based in Wisconsin. He also serves on the boards for the Western Golf Association and Oconomowoc Residential Programs, Inc.
He is a member of the Marquette University President's Society and received the Law School’s Distinguished Alumnus of the Year Award in 2002.