Jonathan V. Sweedler is the James R. Eiszner Family Professor of Chemistry and the Director of the School of Chemical Sciences at the University of Illinois at Urbana-Champaign, USA. His major research efforts involve developing new approaches for small-volume peptidomics and metabolomics and the application of these technologies to study novel neuro-chemical pathways. Professor Sweedler has published more than 350 manuscripts, book chapters and reviews and has presented 350 invited lectures relate to research in these areas. He is Editor-in-Chief of Analytical Chemistry.