Dr. Norberto Guzman is currently Chief Scientific Officer - Director of Research at Princeton Biochemicals Inc., Princeton, New Jersey, U.S.A. Dr. Guzman’s expertise is primarily in biomedicine and biotechnology with emphasis in protein biochemistry and immunochemistry. He has developed a 2-dimensional affinity-capture analytical-separation instrumentation and methodologies for the quantification, identification and characterization of small molecules, biomolecules, cellular entities, and nanoparticles (viral particles, extracellular vesicles). Dr. Guzman received a B.Sc. degree in biochemistry (clinical biochemistry) from a Joint Undergraduate Program of the University of Concepcion and the University of Chile, Santiago, Chile; a M.Sc. degree in biochemistry (cell and molecular biology) from the Medical College of Georgia, Augusta, Georgia, U.S.A.; and a Ph.D. degree in biochemistry (protein biochemistry) from a Joint Graduate Program of the University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School (formerly Rutgers Medical School) and Rutgers, The State University of New Jersey, New Brunswick, New Jersey, U.S.A. Dr. Guzman has worked for the last 30 years in academic medical institutions, diagnostic and pharmaceutical companies, including Mount Sinai School of Medicine, Roche Diagnostic Systems, Hoffman-La Roche, and Johnson & Johnson. He also has worked in a collagen food-nutraceutical industry.