Dr. Gang Liu, a professor-level senior engineer, is the deputy director of the Key Laboratory of Bioanalysis and Metrology for State Market Regulation, a member of the National Biometrics Technical Committee, the deputy director of the Standardization Technical Committee of the Chinese Genetic Society, a member of the National Biochemical Testing Standard Committee, and an NIST visiting scholar. His research fields include biological reference materials and biosensor measurement. He once won the second-class prize of Shanghai Science and Technology Progress. He developed more than 30 CRMs, including 5 first-class CRMs, and led the establishment of 3 national standards and 3 national measurement calibration specifications. He has published more than 50 papers, including in ACS App. Mater. Inter., Biosens. Bioelectron., and Anal. Chem. More than 20 of his patents have been granted.