Jan-Menko Grummer is a highly experienced Partner with over 25 years in the accounting and advisory industry, specializing in digital transformation, IPO readiness, ESG strategy, corporate finance, and long-term value creation. Throughout his career, including two decades at EY, he led strategic initiatives across Germany, Switzerland, and Austria, contributing as Long Term Value Lead and Member of the Assurance Management Committee. His expertise spans advising listed companies, private equity firms, and public organizations on ESG transformation, governance, and financial reporting. He currently serves on multiple advisory boards and teaches sustainability and digital business management. Jan-Menko is also an active member of professional bodies including the Wirtschaftsprüferkammer and has held leadership roles at Accountancy Europe. A graduate of Kellogg Executive Education, he combines technical excellence with a purpose-driven mindset, helping organizations align business strategy with sustainable, long-term value.
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