Maria “Deng” Ida L. Giguiento is one of the two recipients of the 2015 Tanenbaum Peacemaker In Action Award that was given in recognition of her work in interreligious dialogue in Mindanao and Timor-Leste. From 2005-2018, Deng served as the Peacebuilding Training Coordinator of Catholic Relief Services – Philippines. She was also a member of the Project Reference Group for a curriculum development project involving best practices of civil society, working with security forces to improve human security. A grassroots peacebuilder from the Philippines, Deng has dedicated nearly three decades of her life to using the conflict transformation paradigm in working with partners in Mindanao and in post-independent Timor-Leste. She has trained men and women from Caritas International partners to local military officials and non-state actors. Deng is one of the longest serving facilitators at MPI, who started in 2000 and continued until 2017. After a brief respite, Deng has now returned to co-facilitate a course at MPI 2020.