1. Aviation Meteorologist, I Gusti Ngurah Rai Meteorological Office, Indonesian Agency for Meteorology Climatology and Geophysics (BMKG), Bali, Indonesia
2. Research Assistant, School of Aviation, Faculty of Science, University of New South Wales (UNSW Sydney), Australia
3. Senior Lecturer, School of Aviation, Faculty of Science, University of New South Wales (UNSW Sydney), Australia