1. International Conference : The Global Education Program-Sustainability science, Technology & Policy, Asi (SUSTEP Asia): June – 20- 2012, University of Tsukuba-Japan
  2. Is there forest transition in Java:Lesson learn from Kuningan. Seminar in Tsukuba University, 24 February 2012
  3. Remote sensing & GIS for biodiversity conservation in Indonesia. The 5th GEOSS Asia Pacific Symposium. 2-4 April 2012. National Museum of Emerging Science & Inovation, Tokyo,Japan.
  4. Conditions for successful implementation of participatory forest  management and the impact on forest resource (JSPS Project.  22-24 February 2012, Miyazaki-Japan
  5. FRIM-NIES-UPM Joint research project on tropical forest ecology and biodiversity Project progress presentation (seminar) & the 20th Steering Committee Meeting, Tsukuba 24 -25 September 2010
  6. Village survey based approach for orang utan habitat suitability mapping in Borneo. ATBC Meeting in Bali, 2010
  7. Tropical forest disturbance & its rehabilitation effort, Presented in Viikki Tropical Fores Research Center- Helsinki University 17 April 2008
  8. Role of remnant forest as habitat & source of Biodiversity, Presented in Viikki Tropical Fores Research Center- Helsinki University 18 April 2008