Holke Brammer, a political economist, aims to enhance collective action through technology. As founder and director of the Hypercerts Foundation, he promotes open-source protocols for funding and rewarding positive impact. Previously, he was a research scientist for public goods funding at Protocol Labs, worked at Yunus Social Business and BCG, and facilitated Open Social Innovation in Germany with ProjectTogether. He holds a Ph.D. in Political Economics from Stanford Business School.