"his paper reflects on Conciliation Resources? experience of formal hybrid mediation support in the Mindanao peace process. Key lessons are drawn from this new approach and its potential for further use in the field of mediation and conflict transformation is evaluated.....Summary: -The International Contact Group (ICG) in Mindanao is the first ever formal hybrid mediation support initiative..It developed organically over 15 years of protracted negotiations...Diplomats and international NGOs played complementary roles, strengthening the overall value of their participation...The experience of the ICG suggests that hybrid Contact Groups can be a valuable response to the complexity of long-standing conflicts