Haleem J. Issaq received his B.S. degree from the American College of Istanbul, Turkey, a M.S. degree from the Technion, Israel Institute of Technology, and a Ph.D. in analytical chemistry from Georgetown University in 1972. He was a Principal Scientist and Head of the Separation Technologies and Assay Development Group within the Laboratory of Proteomics and Analytical Technologies, SAIC-Frederick, Inc., located within the National Cancer Institute at Frederick, Maryland. His research interests include multidimensional separation of complex protein/peptide mixtures using liquid-phase-based separations (LC/LC, IEF/LC, and LC/CE), fast separation of estrogens, and use of HPLC/MS metabolomics for disease biomarker detection. He is the author or coauthor of over 350 scientific publications and the editor of A Century of Separation Science. He is the recipient of numerous awards, including Maryland Chemist of the Year.