Dr. Wenchao Sun is a research scientist in the Biomaterials and Advanced Drug Delivery (BioADD) Laboratory at Stanford University, California, USA. A biochemist by training, Dr. Sun has strong research experience in small molecule and biologics delivery systems (protein and gene delivery) and bioanalytical techniques. He received his undergraduate degree in Biological Sciences from Tsinghua University, Beijing, China. He went on to pursue his PhD in Dr. Pamela B. Davis lab at Case Western Reserve University, Ohio, USA. While learning about Cystic Fibrosis in Dr. Davis lab, he became interested in non-viral gene delivery as a novel therapy for this genetic disease. He studied the interaction of polymer based DNA nanoparticles with cells and acquired experience in bioconjugation. Dr. Sun then joined the BioADD lab at Stanford University for his postdoctoral training where he expanded his interest in drug delivery to include therapeutic proteins and small molecules. He soon became an expert in transdermal drug and protein delivery. He also delved into the mechanistic study of a small molecule drug for Alzheimer?s disease. He is now in charge of the Bioanalytical Division of the lab where he uses liquid chromatography mass spectrometry (LCMS) to conduct bioanalysis and metabolite ID of small molecule drugs. Being in the forefront of translational research, Dr. Sun played a leading role in a number of collaborative projects.