Guoxian Sun MD, DABMG, FACMG profile image
Director of Cytogenetic Services

Dr. Sun has held positions at Integrated Oncology Laboratories, Genzyme Genetics, and Impath. He served as a Cytogenetics Lab Director for 12 years. Prior to that, he was an Associate Director of Cytogenetics at Quest Diagnostics, San Juan Capistrano, CA. Dr. Sun earned his medical degree with a WHO fellowship in Hematology/Oncology at UCLA in 1987. He completed his genetics training from Alfigen—The Genetics Institute in Pasadena, CA. Dr. Sun is board certified in Clinical Cytogenetics. His main interest is cancer genetics, particularly in cytogenetic and genomic alterations of hematopoietic neoplasms. Dr. Sun has published over 40 scientific articles and abstracts.