About the Author: HONGHUI ZHOU, PhD, is Senior Scientific Director and Janssen Fellow, Janssen Research & Development, LLC, Johnson & Johnson, where he heads the Pharmacokinetics & Pharma-codynamics Department within Biologics Clinical Pharmacology. Board-certified by the American Board of Clinical Pharmacology and an American College of Clinical Pharmacology Fellow, Dr. Zhou has authored more than 150 peer-reviewed scientific papers, book chapters, and conference abstracts in pharmacokinetics, pharmacodynamics, and drug-drug interactions. BERND MEIBOHM, PhD, is Professor of Pharmaceutical Sciences and Associate Dean for Research and Graduate Programs at the College of Pharmacy, The University of Tennessee Health Science Center. Dr. Meibohm is a Fellow of the American Association of Pharmaceutical Scientists and the American College of Clinical Pharmacology.