Dr Patrick O'Halloran

Dr Patrick O'Halloran is a Sport and Exercise Medicine Registrar and PhD student at the University of Birmingham. He is a senior medical advisor to Marker and has published papers on concussion diagnosis and treatment. Dr O'Halloran has a strong background in sports science and has worked with several top-level sports teams. He is known for his expertise in saliva-based concussion testing. Dr O'Halloran is based in Birmingham, England.