(Universitas Nasional; Kebun Raya Bogor-LIPI) with topic ‘Diversity and The Beauty of Indonesian Ferns’.
(Vice Rector for Research, Community Services and Cooperation-Universitas Nasional, Jakarta) with topic "Freshwater Fishes as Potential Source of Nutraceuticals".
(Dean of Facultyof Biology Universitas Jendral Sudirman) with topic "Conservation Strategy of Pollinating Insects".
(Techinical Advisor, Conservation - R.E.A Holdings/PT.REA KalTim) with topic "Conservation and The Palm Oil Palmist".
(Co-Director of Borneo Nature Foundation) with topic "Conservation Biodiversity and Landscap for Sustainable Development"*.
(Regonal Manager at PT. Daemeter Consulting) with topic "Sustainable Use Solution on Biodiversity Resources".