Kovit Pattanapanyasat received his B.Sc and MSc in Biochemistry, (1974, 1977) from the Chulalongkorn University, Bangkok, Thailand. He received a Dip. Bio. Med. Method, (1985) and a Ph.D. in Haematology (1987) from the University of Wales College of Medicine, Cardiff, U.K. He has been working at Faculty of Medicine Siriraj Hospital, Mahidol University since 1987. He was appointed as a Professor in 1997 and is now Mahidol University’s Emeritus Professor and head of the Siriraj Center of Research Excellence in Microparticle and Exosome in Diseases (SiCORE MED) at the Department of Research, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand. Reseacrh of interest: Roles of extracellular vesicles in human diseases. Extracellular vesicles (EVs) are submicron membrane-bound vesicles secreted from all types of cells. EVs are broadly classified into three main categories depending on their mode of biogenesis: exosomes, microvesicles, and apoptotic bodies. Exosomes are the smallest endosomal derived membrane EVs that range in size from 40 to 100 nm. EVs have emerged as important mediators of cell-to- cell communication via many biomolecules from original cells to target cells. EVs of both exosomes and microvesicles have been recognized as key players in human diseases.