Dr. Kai Zhang is a research chemist in the U.S. Food and Drug Administration’s (FDA), Human Foods Program (HFP). His expertise includes utilizing liquid chromatography-mass spectrometry to detect natural toxins in foods, advancing automated sample preparation methods, assessing sample homogeneity, and organizing national survey studies. His research is highlighted in over 60 book chapters and peer-reviewed publications, along with numerous committee appointments and multiple FDA awards.