Constantin is a global leader at EY-Parthenon, with deep expertise in the aerospace, defense, automotive and mobility sectors. As the EY-Parthenon Managing Partner for Europe West — the second largest region within the global EY organization — he guides multinational corporations, midmarket companies and financial sponsors through their most complex strategic decisions and transformative deals.
With decades of experience in corporate finance, M&A and international management, Constantin specializes in shaping growth strategies, orchestrating cross-border transactions and driving large-scale corporate transformations — from strategic vision to full operational, legal and tax execution. He has led industry-defining work in the automotive and mobility space and is deeply engaged with the fast-evolving global aerospace, defense and transportation landscape.
By combining strategic foresight, technological capabilities and environmental awareness with transaction execution, Constantin helps clients capitalize on disruption, unlock competitive advantages and deliver sustainable value. His leadership style blends entrepreneurial drive with a collaborative, innovation-first mindset, helping clients to be ready for the next horizon of industry change.
Constantin is a CFA charter holder with degrees in Economics and European Management.
“In today’s environment, transformation isn’t optional — it’s the foundation for long-term success. Businesses must continually challenge their models, reimagine their strategies and seize new opportunities to strengthen their competitive edge. We see ourselves as trusted partners in this journey, helping clients navigate complexity, execute bold transactions and deliver meaningful, lasting change.”
