Discover the detailed record of transactions filed by ZILLMER JOHN J, Chief Executive Officer. Insider active across 4 companies, notably Aramark. Aggregated, 32 disclosures have been logged. Total volume traded: €5.8m. The latest transaction was disclosed on 6 June 2022 (Cession). Regulator: SEC (Form 4). The full history is openly available.
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John J. Zillmer is an experienced American executive best known for serving as Chief Executive Officer of Aramark, the New York-listed food, facilities management, and uniform services company. He is also a respected corporate governance figure in the U.S. public-company landscape, having served as a director of Ecolab Inc. and as Non-Executive Chairman of CSX Corporation. His career reflects a combination of operational leadership, business transformation, and board-level oversight. At Aramark, Zillmer spent a substantial portion of his career and advanced through a series of increasingly senior operating roles. He served as Vice President of Operating Systems, Regional VP, Area VP, Executive VP Business Dining Services, President of the Business Services Group, President of International, and ultimately President of Global Food and Support Services. That progression gave him deep hands-on experience across client service, large-scale operations, and multi-unit business management. After leaving Aramark, Zillmer went on to lead Allied Waste Industries as Chairman and CEO, and later served as CEO and Executive Chairman of Univar, a global chemical distributor. These appointments broadened his background in operational optimization, logistics, industrial transformation, and managing complex international businesses. Public company filings and company biographies also highlight his extensive board experience, underscoring his familiarity with governance, risk oversight, labor relations, and long-term value creation. One of the most notable themes in Zillmer’s career is transformation leadership. At Allied Waste, his tenure is frequently described as a benchmark operational turnaround. At Aramark, he helped drive the company’s food and support services business into a leading North American market position. Across his roles, he has built a reputation for business optimization, process improvement, corporate governance, and talent management. His board service at Ecolab and CSX further reflects the breadth of his expertise across industrial, services, and logistics sectors.