Thomas Hoerz studied Agriculture in Hohenheim, Germany and Refugee Assistance in Oxford, UK. In 1990 he started to work abroad in a GTZ food security program in Tanzania, moved later to food assistance with GTZ in East Africa and continued humanitarian work with Oxfam, the World Food Programme, UNHCR, FAO and several NGOs. During part of the 1990s he focused on household energy and environmental stabilization in refugee hosting areas.
Christof Hoyler studied Cultural Anthropology and Rural Development in Germany, Portugal and Spain. His occupational career was shaped since 1994 by humanitarian aid missions to African conflict areas such as the Angolan civil war, the Great Lake region conflicts and the Sahel food crisis. Since mostly a decade his missions are focused on best development practice for private sector development, green economy, capacity building, professional training and investor relations with African stakeholders.