World Federation for Ultrasound in Medicine and Biology (WFUMB); Congress

Japanese Society of Ultrasonics in Medicine (JSUM)

Philippine Physics Society (PPS)

Fetus as a Patient International Congress 2007 http://www.fetus2007.com/speakers.html

World Congress on Ultrasonics (WCU) 2003

International Symposium on Therapeutic Ultrasound (ISTU); 4th ISTU (2004); 7th ISTU (2007)

International Congress of Acoustics (ICA) 2007

International Commission for Acoustics (ICA)

International Symposium on Ultrasound Contrast Imaging (8th)

Asian Federation of Societies for Ultrasound in Medicne and Biology (AFSUMB); 2008 Thailand