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Water4 is a non-profit organization focused on eradicating the global water crisis by empowering local entrepreneurs in developing countries, primarily in Sub-Saharan Africa, to establish and manage sustainable safe water enterprises. They champion a market-based approach, believing that local ownership and business principles are key to long-term success and impact. Water4 provides training, access to drilling technologies (like their NUMA system), and business support to help these entrepreneurs deliver reliable and affordable safe water to their communities, moving beyond temporary aid solutions towards permanent, locally-led systems.
Serves as the central hub for global strategy, fundraising, program development, financial oversight, and administrative support for Water4's international operations.
Modern office space designed to facilitate collaboration among its US-based team and communication with global field staff and partners.
Mission-driven, innovative, and collaborative, with a strong focus on impact, sustainability, and empowering local communities. Employees are passionate about solving the water crisis through entrepreneurial solutions.
The headquarters is pivotal for coordinating Water4's global efforts, developing new technologies and business models, and securing funding to expand their reach and impact in providing safe water.
Water4's primary global presence is concentrated in Sub-Saharan Africa, with active programs and partnerships in countries such as Ghana, Sierra Leone, Rwanda, Uganda, Tanzania, and Zambia. Their global functions include in-country program implementation, technical training for drilling and water system management, local enterprise development support, supply chain assistance for water technologies, community engagement, and rigorous monitoring and evaluation of their water projects. These are supported by global fundraising, advocacy, and strategic partnerships managed from their US headquarters.
100 N. Broadway Ave., Suite 2550
Oklahoma City
Oklahoma
USA
Address: Field operations office (specific address may vary by project or local partner)
To directly implement and oversee Water4's safe water enterprise model in Ghana and surrounding regions, fostering local capacity and ensuring the sustainability of water projects.
Address: Regional support office (specific address may vary by project or local partner)
To expand Water4's sustainable water solutions in East Africa, tailoring approaches to local socio-economic conditions and empowering entrepreneurs to provide lasting water access.
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As of April 2025, Water4' leadership includes:
Water4 has been backed by several prominent investors over the years, including:
Water4 welcomed Mark Tonseth as its new Chief Development Officer in early 2024. No major executive departures have been publicly announced in the same period.
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Water4 likely uses a common professional email format. Based on publicly available information and standard practices for non-profits of its size, the most probable format is [first_initial][last] or [first].[last] @water4.org.
[first_initial][last]@water4.org or [first].[last]@water4.org
Format
mhangen@water4.org
Example
70%
Success rate
Water4 Blog • January 17, 2024
Water4 announced the appointment of Mark Tonseth as its new Chief Development Officer. Tonseth will lead the organization's fundraising and strategic partnership efforts to further its mission of ending the global water crisis....more
Water4 Blog • November 2, 2023
Water4 highlighted the profound impact of accessible safe water on women and girls, showcasing how local water enterprises reduce their burden of water collection, improve health, and open up opportunities for education and economic empowerment....more
Water4 Blog • September 7, 2023
Water4 celebrated its 15th anniversary, reflecting on its journey and the significant impact made in providing sustainable safe water access to communities through its entrepreneurial model. The organization reiterated its commitment to scaling its solutions....more
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