CHUNG CHOW CHAN, PhD, is a Consultant for CCC Consulting, and the former president of the Calibration & Validation Group, a nonprofit organization dedicated to the art and science of instrument calibration and method validation.HERMAN LAM, PhD, is the Principal of Wild Crane Horizon and President of the Calibration & Validation Group. Dr. Lam has developed and presented an instrument qualification and performance verification course for Agilent Technologies and other organizations in North America and Asia.XUE MING ZHANG, PhD, is a Manager at Apotex, responsible for overseeing the development of stable liquid formulations. He also works on method development and validation for both instrument and chemical analysis.