Dr. Toshiko Tanaka is a senior associate scientist at the Longitudinal Study Section, National Institute on Aging, Baltimore, MD, USA. She obtained her MS and PhD in Nutrition Biochemistry from Tufts University in 2002 and 2007, respectively. She was also a postdoctoral fellow at the University of Michigan from 2007 to 2008. Dr. Toshiko Tanaka’s expertise lies in identifying molecular biomarkers of aging through the integration of genetics, proteomics, metabolomics, epigenetics, and gut microbiome data in population studies.