Turning Challenges into Solutions
The Origin of the Paradigm Shift
Vanhu Tech
our story
Where It All Began
Vanhu Tech did not emerge from a boardroom brainstorm or market research. It grew from the CEO and Co-founder Cristianne Wendler’s three decades in the social impact sector and her unwavering commitment to solutions that empower.
That commitment began in childhood, working alongside her parents’ holiday assistance nonprofit. Rather than handing out presents to children, the organisation invited parents to choose presents for their own children. One year, a father who had come multiple years, wrote to convey his appreciation but to decline the invitation, explaining that he now had a job and wanted another family to benefit. This gratitude revealed a profound truth. How you do what you do matters as much, if not more, than what you do. Good intentions without context can undermine dignity and agency. These principles would help shape Cristianne’s life’s work.
Seeing the System from Every Angle
Over the next 25+ years, Cristianne worked across Southern Africa, Southeast Asia, Central America, and North America, in roles spanning funder and founder, implementer and evaluator. This unique vantage point revealed the systemic dysfunction that limits the sector’s effectiveness. Instead of empowerment as a guiding force, she witnessed inefficient processes, redundancy, power imbalances, solutions ill-fitted for local contexts, and beneficiaries treated as recipients rather than partners in solution-finding. The system produced dependency.
Proving a Better Way Exists
As Country Director for a PEPFAR program in South Africa, Cristianne designed and implemented a grant management system that administered approximately US$ 1.6 million annually to 40 community organizations, impacting more than 150,000 people each year. It demonstrated that efficient direct funding to smaller social implementers is not only feasible, but highly impactful and cost effective. This was the final evidence she needed to confirm the system was failing by design and that system change was both needed and possible. She knew a better one could be built.
Assembling the Right Team
This is why Vanhu Tech exists. Real and lasting empowerment requires a fundamental paradigm shift, and that shift can only be designed and built by a team that has lived the problem, understands the technology, and knows how to make the numbers work.
To realise this vision, Cristianne partnered with a CTO with extensive technology experience and a CFO with financial systems expertise. Together, they brought 70+ cumulative years of experience spanning social impact, technology innovation, and finance, forming a founding team uniquely equipped to design and implement a more effective ecosystem.
Creating the Paradigm Shift
Vanhu Tech embodies lived experience, implementation evidence, and technological capability guided by and rooted in genuine empowerment. The paradigm shift from funding-led to impact-led approaches isn’t theoretical—it’s the practical outcome of understanding the system from every angle and having the combined expertise to rebuild it so that those who are meant to benefit are finally at the centre.
The Vanhu Tech Team
Meet the Founders
Cristianne Wendler, CEO
Cristianne is a social entrepreneur and innovator with over 25 years of experience in health and social development, with an emphasis on youth development, HIV prevention, sexual reproductive health and gender-based violence. Cristianne has served as public health practitioner and development specialist in Southern Africa, Southeast Asia, Central America and North America. Her experience spans from the frontlines as a humanitarian relief worker in Haiti to a Country Director for a U.S. Government grant program funded by PEPFAR in South Africa. She has spent time in roles ranging from direct service delivery, program development and project evaluation through to roles in management, on boards and as a trustee. Cristianne has led the design and implementation of numerous tech-enabled initiatives, including a grant management system administering PEPFAR funding to community-based organizations and a data-free app for young women to provide a safe virtual community to support their health and wellness. She holds a Master of Public Health, as well as a Bachelor of Arts in International Relations and Political Science and a Bachelor of Arts certificate in African Studies from the University of Wisconsin – Madison, United States. Cristianne also holds a professional qualification in Peace Studies and Conflict Resolution from Chulalongkorn University, Thailand. Cristianne is a passionate, strategic thinker and innovator who leverages her diverse education and experience to drive impact.
Takudzwa Mabande, CTO
Takudzwa has a background in Computer Science, with a BSC in Business Computing at UCT (minor in Gaming Development) and an Honors Degree focused on Machine Learning. He has worked in various IT roles for over 15 years, starting off as a developer/IT support staff; going on to head various divisions in IT, including IT Operations, IT development and Cyber Security. Takudzwa has gained experience working with both in-house teams and consultants, working with the business to map out IT strategy and architecture. Takudzwa has been instrumental in leading the development and implementation teams for several key applications supporting HIV and gender-based violence prevention services including: SMART, an application enhancing client service delivery for Health Care Advisors, Nurses and Social Workers in mobile vehicle clinics; SNowI, a digital contact center focused on treatment adherence; iShout!, a mobile based application with a membership interface rewarding young women for healthy behavior; Chomi, a gender-based violence information and services WhatsApp Chatbot; and ShoutLink, an integrated service monitoring application, linking and tracking client service uptake across partners in public health.
John Barton-Bridges, CFO
John has more than 40 years of international professional experience, most recently as Chief Financial Officer of Shout It Now NPC, a South African non-profit company, where he also served on the board of directors. The company, a prime recipient of a five-year grant from CDC under PEPFAR, provided HIV prevention services and gender-based violence support to clients in South Africa. During John’s four-year tenure the company built sound financial systems and procedures utilizing bespoke IT solutions to produce excellent financial performance, growth, and stability. Prior to this, John’s experience was primarily in finance, management, strategy, and corporate governance with for-profit companies in the private sector. He has been employed in various types of companies, including; 10 years with International Finance Corporation (“IFC”) in Washington, DC (a global development finance institution and member of the World Bank group of companies, during which time John was seconded to the Development Bank of Southern Africa for three years where he was Head of the Private Sector Investment unit); a large multinational corporation; small private companies; and a family office in Africa. John holds an MBA from INSEAD, France, an MSc from Imperial College, University of London, and a BSc Engineering from the University of Cape Town.