He has 22 years experience involved in NGOs and several environmental organizations carrying out research, mainly on biodiversity and rural community development. He developed a great interest in data analysis and databases, and has over 10 years experience with GIS used in assessments, spatial planning and integrated spatial management. As a member of the local organisation LINGKAR, Tri has significant project management and community development experience, including participative approaches. In PT Ekologika Consultants he has been highly involved in mapping assignments for logging concessions in Papua, Sumatera, Kalimantan and Maluku with several different clients.