Team
SHE Changes Climate is led by a dedicated and diverse global team that operates remotely across continents, including South Asia, Sub-Saharan Africa, and Europe. Our small but dynamic team provides strategic leadership for the movement, with an Executive Director at the helm. The team is further strengthened by specialists in key areas such as partnership building, resource mobilization, communications, advocacy and policy, impact monitoring, and operations.
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Mamta Borgoyary
Executive Director
Mamta is a seasoned development professional and trained economist with over 27 years of experience across health, education, water and sanitation, rural livelihoods, and natural resource management. She is a strategic thinker and compassionate leader, dedicated to improving the lives of underprivileged women and vulnerable children by ensuring their access to healthcare, education, and sustainable livelihoods.
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Saskia Castelein
Head of Fundraising and Impact
Saskia is an international cooperation specialist with two decades of experience across the United Nations ecosystem and other global initiatives. She brings deep expertise in global health, the health-climate nexus, gender equity, partnership development, resource mobilization, and programme management. With experience in over 15 countries across Sub-Saharan Africa and South Asia, she is skilled at connecting local realities with global priorities.
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Tim Boekholt
Head of Operations
Tim is a dynamic operations and communications professional with experience driving innovation and efficiency in both global and entrepreneurial settings. He co-founded TnS SNC, blending second-hand fashion with vibrant events, and is currently pursuing a Master’s in International Business Development. With strong technical skills, multilingual fluency, and a passion for impactful project management, Tim thrives in cross-cultural environments.
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Binali Suhandani
Global Partnerships and Country Networks Advisor
Binali is a purpose-driven leader with over 25 years of experience at the intersection of philanthropy, strategic communications, and social impact. As CEO of AVPN India and Strategic Advisor at Tata Trusts, she has worked with global donors and foundations to shape funding strategies, build cross-sector coalitions, and elevate underrepresented voices. Known for turning complex development issues into compelling narratives, Binali specializes in mobilizing catalytic giving and advancing causes from health and gender equity to climate resilience and education.
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Nariman Naufal
Communications Specialist
Nariman is a social media and digital communications specialist with extensive experience in humanitarian campaign management and content creation. At Kenya Red Cross, she played a key role in planning and amplifying international campaigns, supporting COVID-19 vaccination efforts, and leading photo documentation of critical relief interventions. Skilled in analytics, she has successfully driven significant audience growth and engagement across multiple platforms, leveraging data to optimize campaign impact.
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Monique Nanchen
Climate Policy Advisor
Monique is a multilingual advocacy and communications expert with deep experience in child rights, diversity and inclusion, and stakeholder engagement across multicultural settings. Having worked with the ICRC and UNHCR in Africa, the Middle East, the former Soviet Union, and Geneva, she has witnessed first-hand the impacts of climate change in low-income and conflict-affected regions such as the Sahel. Her passion for sustainability led her to pursue executive education in Environmental Governance at the Graduate Institute in Geneva.
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Stephen B. Sakwa
Policy & Advocacy Consultant
Stephen Bright Sakwa is an environmental and gender equity advocate from Uganda. His grassroots work has earned him recognition as a 2022 UNLEASH global talent, 2023 Youth Food Award winner, and 2025 Young Global Changer.