Lena Slachmuijlder is the Executive Director of Digital Peacebuilding at Search for Common Ground, supporting the use of digital tools for conflict transformation across Search's programs. She is also the Co-Chair of the Council on Tech and Social Cohesion, which brings together technologists, academics, policy advocates and peacebuilders to incentivize the design and deployment of technology for social cohesion. She has 30 years of experience working for peaceful social change, starting as a journalist with anti-apartheid media in South Africa, and pioneering creative media tools for peacebuilding. She led the design of the Common Ground Approach core curriculum, published 'Transforming Violent Extremism: a Peacebuilder's guide and co-created the Digital Peacebuilders' Guide. Lena is a graduate of Stanford University, an alumni of Amsterdam's THNK School for Creative Leadership and Brandeis University's fellowship on Arts and Reconciliation. In 2020, Lena gave a TEDx talk entitled 'The Vaccine to End War'.