Dr Sam Chong is a leading consultant neurologist with a specialist interest in managing patients with headaches, facial pain and neuropathic pain through techniques such as Occipital Nerve Blocks and Botulinum Toxin Injections. Dr Chong is currently a consultant neurologist at The National Hospitals for Neurology and Neurosurgery, Queen Square, London. He was previously a lecturer in Neurology at the University of Birmingham Medical School and Queen Elizabeth Neuroscience Unit, also in Birmingham. Dr Chong has co-authored papers and chapters in books on his specialist subjects. He worked with the National Institute of Clinical Excellence (NICE) and was a member of the Guideline Development Group for Management of Headaches published in 2012 and for Neuropathic Pain published in 2013. Dr Chong was a specialist advisor to the standards committee as well as the health technology assessment group at NICE.