Dr. Charles Limb is the Francis A. Sooy Professor of Otolaryngology–Head and Neck Surgery and the Chief of the Division of Otology, Neurotology, and Skull Base Surgery at the University of California, San Francisco. He is the Director of the Douglas Grant Cochlear Implant Center at UCSF and he is the Medical Director of Cochlear Implantation at UCSF Benioff Children's Hospital, Oakland. He also holds a joint appointment in the Department of Neurosurgery.Dr. Limb’s expertise covers the full scope of otology and neurotology, with a focus on the treatment of hearing loss and auditory disorders. He specializes in all surgery of the temporal bone. He is the CMO of Spiral Therapeutics.