Hans joined in 2008 as Director of Operations and was appointed Managing Director in October 2019. Hans was a former Director for Médecins sans Frontières NL and a member of the Board of the Antares Foundation.
Hans Grootendorst
Managing Director
Related team members: Amsterdam head office
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Read moreBarbara van den Oever
Barbara joined in 2011 as a Technical Advisor in Health Care Financing, becoming Programme Development Coordinator in 2013. She is now in charge of acquisition, programme design, and relationship management.Programme Development Coordinator
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Read moreElise Vellore
Elise joined in 2018 as the Acquisition Officer and now serves as Policy Officer. With her legal background, Elise had previously worked for human rights organisations in France, US and UK, where she honed...Policy Officer
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Read moreEls van Lindt
Els joined HNI in 1994 as a Bookkeeper. She witnessed the organisation’s evolution from a small team of three colleagues to the dynamic work environment it is today. Following the merge with TPO in...Financial Administrator
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Read moreGiorgia Casanova
Giorgia joined in September 2022, now serving as Communication and Advocacy Officer. She completed a Bachelor’s in Communication Science and Media Research at the University of Zurich, and two Master’s degrees in Political Communication...Communications & Advocacy Officer
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Read moreMaggie Casas
Maggie joined in February 2024 as Communications & Fundraising officer. With a strong background in digital marketing and communications within the corporate domain, Maggie redirected her career trajectory towards the nonprofit sector.Communications & Fundraising Manager
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Read moreDr. Majeed Sidiqqi
Dr. Abdul Majeed Siddiqi, former Head of Mission in Afghanistan, is now the MHPSS Coordinator. With a postgraduate diploma in Health Planning and Management and a Master’s in Health System Management, he brings experience...Senior Health Advisor
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Read moreStéphanie Bleeker
Stéphanie joined in 2024 with over 28 years of experience in Global Health programmes and policy. She holds a Master’s in Development Studies & Medical Sociology and a postgraduate Master’s in Global Health. She...Senior Programme Officer Afghanistan
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Read moreWillem Reussing
Willem joined in 2008, becoming Manager of Operations in 2019. With a nursing background in the Dutch military, he transitioned to operations with the Netherlands Red Cross in 1999, gaining experience in many countries....Director of Operations
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Read moreYves Faustin Nahimana
Yves joined in 2022 as Programme Officer. He led projects for the human rights organisation Justice and Peace Burundi and worked at Free Press Unlimited. Yves has a Bachelor in IR and a Master’s...Programme Officer