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Jeroen Plag Appointed CIO of Invest International 

Lianne de Vries October 20, 2025

Invest International has completed its management board with the appointment of Jeroen Plag as Chief Investment Officer (CIO). He joins CEO Melanie Maas Geesteranus and CFRO Vanessa Hart, forming a strong leadership trio. 

Invest International has completed its management board with the appointment of Jeroen Plag as Chief Investment Officer (CIO). He joins CEO Melanie Maas Geesteranus and CFRO Vanessa Hart, forming a strong leadership trio. 

Jeroen is eager to get started and shares his enthusiasm about working at an institution that operates at the intersection of public and private capital. “I look forward to making an impact through the meaningful projects of Invest International. The way it combines public and private capital is powerful — an approach I saw South Korea excel at during my time working there — and I want to help the Netherlands apply it more to strengthen its resilience in the face of global challenges.” 

“I look forward to making an impact through the meaningful projects of Invest International. The way it combines public and private capital is powerful.”

Jeroen brings a wealth of experience from his long-standing career at ING, where he has held various roles since 1994. Most recently, he served as Head of Strategy & Innovation at ING Bank. His deep understanding of the financial sector, combined with extensive international experience in South Korea, Singapore and the USA, makes him an excellent fit to lead Invest International alongside CEO Melanie Maas Geesteranus and CFRO Vanessa Hart.

Melanie Maas Geesteranus, CEO of Invest International, is pleased to welcome Jeroen Plag to the team.“Jeroen brings not only deep financial expertise but also a fresh perspective shaped by his international experience. We are confident he will help us seize new opportunities to make meaningful impact where it matters most.” 

Jeroen Plag will start as of November first, completing the management board of Invest International with his appointment as CIO. 

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