EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Limited, each of which is a separate legal entity. Ernst & Young Limited is a Swiss company with registered seats in Switzerland providing services to clients in Switzerland.
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Geneva, Lancy, Switzerland
Jeroen Truin is an Operating Model Effectiveness Partner and Switzerland’s Sustainability Tax and Law Leader with over 15 years of experience translating complex tax, regulatory and sustainability requirements into actionable business steps. He advises multinational organizations on designing and implementing tax aligned, sustainable operating models that strengthen transparency and long term value in an evolving compliance landscape. Jeroen takes a holistic approach to transformation by building future proof operating models and ensuring end to end value chain alignment across functions such as transfer pricing, customs, transactional flow mapping, supply chain and IT systems. He co developed the EY Green Location Assessment Modeler and supports multinational enterprises in assessing business, tax, finance and talent criteria to identify optimal locations for headquarters or hubs in Switzerland and across Europe. As Sustainability Tax and Law Leader and owner of the ESG Value Accelerator, he conducts impact assessments, fit gap analyses and develops clear regulatory implementation roadmaps, supported by centralized sustainability master data foundations.
How Jeroen is shaping the future with confidence
Jeroen shapes the future with confidence by transforming complex regulatory and sustainability challenges into clear, actionable pathways that enable organizations to move forward decisively. He combines deep technical expertise with a pragmatic, data‑driven mindset, helping leaders understand the implications of emerging legislation and design operating models that are resilient, compliant and strategically aligned. Through tools such as the Green Location Assessment Modeler, the ESG Value Accelerator and the Sustainability Intelligence Platform, he quantifies impact, identifies opportunities and builds implementation roadmaps that give clients clarity and assurance in their transformation journey. By bridging tax, sustainability, supply chain and technology, he empowers organizations to make confident decisions that create transparency, long‑term value and a more sustainable future.