Charles "Chip" H. Muller PhD HCLD CC (ABB). Dr. Chip Muller is a clinical andrology lab director since 1983, and a researcher in male reproductive biology since 1973. He received a BA in Biology and an MA in Zoology (Embryology) at University of Colorado, Boulder; and a PhD in Zoology (Comparative Reproductive Endocrinology) at University of California, Berkeley. He is an accredited Director of High Complexity Laboratories and Clinical Consultant.

Dr. Muller’s research includes studying the acquisition of fertilizing ability and molecular events of sperm maturation in the epididymis, in vitro fertilization, male contraceptive development, clinical studies of drugs that may affect sperm production or function, spermatogenesis, sperm function tests, effects of reactive oxygen species and antioxidants on sperm, and sperm DNA fragmentation.