Xander van Wijk, PhD, DABCC, FAACC is Director, Medical and Scientific Affairs at Beckman Coulter. Previously he was an Assistant Professor of Pathology at the University of Chicago, the Assistant Director of Clinical Chemistry and Pharmacogenomics Laboratories and the Director of the Rapid Response Laboratory at UChicago Medicine. He obtained his PhD in Medical Sciences in the Department of Biochemistry at the Radboud University Nijmegen, the Netherlands and did postdoctoral research at the University of California San Diego. He completed his fellowship in Clinical Chemistry in the ComACC accredited postdoctoral training program at the University of California San Francisco. His primary research areas are Clinical Pharmacogenomics, Toxicology, and Cardiac Biomarkers and he has (co-) authored more than 40 peer-reviewed articles and book chapters. He received a postdoctoral fellowship award from the American Heart Association and a general research grant from the AACC for his work on cardiac troponin. He is interested in identifying specific forms of troponin that correlate with disease status.