# holke.xyz (@holke.xyz)

Profile: https://sifa.id/p/holke.xyz
Headline: Founder and Director at Hypercerts Foundation

## About

Holke Brammer is a political economist working to strengthen collective action through open technology. As founder and director of Hypercerts Foundation, he leads the development of open infrastructure for impact funding and public goods resource allocation. He was previously a research scientist for public goods funding at Protocol Labs, worked at Yunus Social Business and Boston Consulting Group, and led Open Social Innovation efforts in Germany with ProjectTogether. He holds a Ph.D. in Political Economics from Stanford Graduate School of Business.

## Career

- **Founder and Director at Hypercerts Foundation** (Feb 2023 - Present)
- **Pro bono support at ProjectTogether** (Mar 2022 - Present)
- **Research Scientist - Public Goods at Protocol Labs** (Apr 2022 - Oct 2023)
- **Strategy Lead at ProjectTogether** (Apr 2020 - Feb 2022)
- **Pro bono support at ProjectTogether** (Jan 2020 - Mar 2020)
- **Consultant at The Boston Consulting Group** (Oct 2016 - Feb 2020)
- **Manager Corporate Social Businesses at Yunus Social Business** (Jul 2018 - Jul 2019)
  Read about my reflections from a year as a BCG secondee at Yunus Social Business:
- **Research and Teaching Assistant at Stanford Graduate School of Business** (Jun 2013 - Jun 2016)
  ● Programmed simulations to solve agent-based models/complex adaptive systems for projects researching social dilemmas and the long-run stability of democracies and dictatorships ● Administered large-scale email survey experiment and provided statistical analysis for a project on the effects of corporate social responsibility on political activists ● Analyzed citation networks to examine the impact of research articles over time ● Prepared lesson material and graded exams/projects for courses on non-market strategies & political risk, and negotiations & conflict management
- **Research and Teaching Assistant at University of Maryland** (Jan 2010 - May 2010)
  ● Contributed to building a game-theoretical model to investigate why some advanced democracies do much better than others in making sure the basic needs of their citizens are met ● Instructed students in office hours for a course on game theory
- **Junior Research Assistant at Jean Monnet Centre of Excellence for European Integration at Freie Universität Berlin** (Dec 2008 - May 2009)
  ● Supported research concerning the financial regulations in the EU and the internal reporting and decision-making of the delegation of the European Parliament to the European Convention

## Publications

- Just a draft — holke.leaflet.pub (Nov 2025) https://holke.leaflet.pub/3m6mldr3ekc2o
- This is a loose post (Nov 2025)

## Credentials

- HERO Supporter — HERO Circle (Nov 2024) https://herocircle.app/

## Education

- **Stanford Graduate School of Business** — Doctor of Philosophy (Ph.D.) (2011 - 2016)
- **London School of Economics and Political Science** — Master of Research (2010 - 2011)
- **University of Maryland College Park** (2009 - 2010)
- **Freie Universität Berlin** — Vordiplom (2007 - 2009)

## Languages

- English
- German

## Links

- linkedin: https://www.linkedin.com/in/holke