Dr. Chris Callewaert holds two masters and a PhD from Ghent University, Belgium. Now he is a postdoctoral research fellow of the Research Foundation - Flanders (FWO) at Ghent University, Belgium and postdoctoral research associate in the Rob Knight lab at University of California, San Diego, USA. He studies the skin microbiome and metabolome and is specialized in body odor in relation to the microbiome. He is the first one to try to solve body odor by replacing bacteria of smelly people with those of non-smelly people. He has conducted several clinical trials in this areas and has developed a bacterial spray that solves underarm malodor. His research led to multiple peer-reviewed publications and was presented at several national and international conferences. He presented a TED talk and results of his research can be found on www.DrArmpit.com.