Dr. Marzinke serves as the director of Pre-analytical Chemistry and associate director of Clinical Pharmacology at The Johns Hopkins Hospital.He completed a clinical chemistry postdoctoral fellowship at The Johns Hopkins Hospital in 2013.He graduated with a B.S. from College of the Holy Cross and earned his Ph.D. at the University of Wisconsin-Madison.Dr. Marzinke was honored with the 2012 Johns Hopkins Department of Pathology Young Investigator Award for Translational Research.