Huiquan received his Ph.D. in chemical engineering from Iowa State University in 2001. He worked in chemical plants as chemical engineer (1992-1993) and worked in semiconductor industry as a senior process development engineer (2001-2002). He joined the FDA’s PAT Policy and Research Team in Aug. 2002 and has involved in several quality initiatives since then. His research has been focused on real-time process monitoring, process understanding, and control strategies. He has published about 30 peer-reviewed scientific papers and has given numerous invited talks at both international and national professional meetings. In 2011, he was promoted to GS-14 peer-reviewed research chemical engineer by FDA CDER. He has involved in several guidance development projects in CMC area.