Melanie Rieback is a serial founder and technology leader with over a decade of experience building mission-driven organizations at the intersection of cybersecurity, new economics, and social impact. As Co-founder and CEO of Radically Open Security she pioneered the world’s first not-for-profit security consultancy, and she now leads Nonprofit Ventures and Non-Extractive Capital to scale Steward Ownership and non-extractive finance models. A former assistant professor and PhD in computer science, she combines deep technical grounding in systems and security with practical leadership across startups, enterprise R&D, and academic teaching. Recognized repeatedly as an innovator in Europe and the Netherlands, she is equally at home running incident response teams, incubating post-growth entrepreneurs, and redesigning corporate governance. Her career includes early contributions to large-scale genomics pipelines at the MIT Human Genome Project, a detail that underscores her comfort with complex, high-stakes technical systems beyond conventional security work. Based in Amsterdam, she pairs rigorous research credentials with a rare focus on using technology and corporate structure to advance public-good outcomes.
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Melanie Rieback - Co-founder CEO at Non-Extractive Capital