Stefan founded Impact Up, the Institute for Systemic Impact Orientation, in 2026. Until 2025 he spent six years as an advisor for planning, monitoring and evaluation (PME) in the Civil Peace Service (ZFD) of GIZ (Deutsche Gesellschaft für Internationale Zusammenarbeit) in Cambodia. There he gathered hands-on experience in impact orientation with a Civil Peace Service programme, with international experts and eight very diverse partner organisations. The project impacts in peace work and dealing with the past were always part of a programme impact of the Civil Peace Service, but also part of the impact of the partner organisations themselves – an international tribunal, psychological service providers, memorial sites, youth movements and universities. Capacity development was often a core element, and the project impact quite often organisational development as well.
The whole programme was networked with other Civil Peace Service programmes in Cambodia, so impacts on the country as a whole were intended too; and not least there were many other GIZ Civil Peace Service PME advisors in other countries who regularly reflected together on the methods, the set-up and the way of working. In this way Stefan brought numerous actors in the field in Cambodia into resonance and strengthened a network of people active for peaceful coexistence. Methods from peace work itself, such as conflict transformation, were brought into these planning and reflection workshops again and again – just like his experience as a yoga teacher and from Nonviolent Communication.
Since returning to Germany, Stefan has been engaging very intensively with theories and methods for putting participation and co-creation into practice, with systemic approaches and a systemic stance. Numerous authors offer a space of reflection for the wealth of material from his years in Cambodia. Since December 2025 he has been deepening this in a training as a systemic organisational developer at WISPO. The literature on Systems Change and co-creation has created a lot of resonance. With Impact Up he now aims to carry the methods of planning, monitoring and reflecting, together with the methods of peace work – dialogue, conflict transformation, dealing with the past and trauma – into systemic work, and to develop approaches for systemic impact orientation towards changing society. Context-specific, with the empathy and sensitivity it takes to truly hear, see and feel what is at stake.
Thematically, Stefan brings broad prior experience: before the peace work in Kosovo and Cambodia, from economics and International Studies at university. Many years of change work with social-ecological movements, above all for basic income and degrowth, have shaped him as well. For the Climate Services Center in Hamburg he examined how the participation of practitioners in scientific processes can be appropriately taken into account in evaluations. In nearly all of his roles he has initiated and organised events, from small festivals through in-depth trainings to large conferences.
stefan@impact-up.org