We empower communities to create peace through technology

Who We Are

We are a US 501(c)(3) non-profit organization based in San Francisco and Barcelona. We are passionate about using technology for good. JustPeace Labs offers technical assistance to help organizations create software for peacebuilding, human rights and development work.

We also promote ethical and conflict-sensitive approaches to using technology in complex settings. Contact us to discuss how we can work together.

Our Approach

Technical Assistance
Creating custom, targeted software tools using innovative technologies.

Ethics and Security
Promoting ethical and secure approaches to tech in complex settings.

Providing research and advice to peacebuilders, policymakers and corporations.

The Team

Sergi Mansilla
Hana Ivanhoe

Hana Ivanhoe


Hana is an attorney with advocacy and policy expertise in international development, corporate accountability and anti-corruption. She is a Lecturer at Berkeley Law (University of California, Berkeley) where she teaches Introduction to Legal Scholarship and a series of writing seminars.

Jennifer Easterday

Jennifer Easterday

Co-Founder and Executive Director

Jennifer is an attorney specializing in public international law, international criminal law, human rights law and peacebuilding. Her work with NGOs and international tribunals focuses on strengthening international responses to armed conflict and mass human rights abuses in Africa, Latin America and Europe.