Two new members join IDH Supervisory Board

Kirsten Konst and Reginaldo Ecclissato pass the baton

04 April 2025 – Aafke Keizer, Chief Sustainability Officer at Rabobank and Willem Uijen, Chief Supply Chain & Operations Officer at Unilever have been appointed to the IDH Supervisory Board. 

Aafke Keizer will be succeeding Kirsten Konst, who was a member of the Rabobank executive committee and now is the Chief transformation officer at BDO and has served on the IDH Supervisory Board for five years. Willem Uijen takes over from Reginaldo Ecclissato, who is the President One Unilever markets. Both have been supporting the IDH mission as systems change agent for several years as board members. 

In the Supervisory Board, Aafke and Willem are welcomed by chair Magdi Batato, former COO at Nestlé Group, and five other members.   

At Rabobank, I’m seeing the urgency of supporting companies on their sustainability journeys. By leveraging our knowledge, we can help reduce emissions, promote sustainable practices, and build economically sustainable supply chains. I look forward to working with IDH to accelerate sustainability efforts, and drive systemic change for a more sustainable, equitable future.
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Aafke KeizerChief Sustainability Officer at Rabobank

Aafke Keizer has a career in Food and Agriculture. She is currently Chief Sustainability Officer for the Rabobank, a bank with  a large Food and Agricultural portfolio. In this role, she sets the sustainability ambition strategy and helps to define how Rabobank can help its clients to become more sustainable and hence resilient. Before joining the bank, Aafke worked at Friesland Campina where she was managing director infant formula operating company. She also worked at McKinsey and started her career in Unilever.  

Willem Uijen is a Unilever veteran of more than 25 years. He was appointed Chief Supply Chain & Operations Officer at Unilever in January 2025 and is part of the Unilever Leadership Executive. He oversees supply chain, global business services, IT, digital and technology operations for Unilever's portfolio of 400 brands across nearly 190 countries. Prior to this role, Willem was the Chief Procurement Officer for Unilever. Before that role he was the Executive Director Supply Chain for Hindustan Unilever and led the Supply Chain for Unilever in South Asia, South East Asia and Australia. 

As I step into this role on the IDH board, I am excited by the opportunity to contribute to an organisation that blends the ingenuity and drive of the private sector with the pressing need for sustainable solutions. We are at a pivotal moment where market-driven transformation can not only address environmental challenges but also improve the livelihoods of people across our global value chain, creating lasting value and unlocking scalable, commercially viable opportunities for growth.
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Willem UijenChief Supply Chain & Operations Officer at Unilever

The IDH Supervisory Board contributes to IDH’s development as a global organisation and systems change agent, and members share their valuable insights and advice for IDH’s mission towards market transformation.  

Daan Wensing, CEO and member of the Executive Board at IDH, said: "I’d like to thank Kirsten and Reginaldo for their contributions to IDH and the mission to transform markets. Both their dedication and leadership have helped shape our progress and drive our mission forward. 

I’m pleased that we can welcome new board members. We are at a critical juncture, where the decisions we make today will shape the future. Aafke and Willem bring a wealth of experience to the Board, and I’m confident their expertise and vision will be invaluable for the coming years."

IDH is steered by the Executive Board and Global Management Team, supported and advised by a Supervisory Board and Impact Committee. The Supervisory Board of IDH guards the policy and functioning of the IDH office. It also oversees the principles of IDH, decides on accepting new improvement programs, and consolidates annual plans and reports. The Board comes together three times a year.