I have 20 years of experience, and specialize in the field of neurology with specific knowledge in the areas of headache, neuropharmacology and brain injury. I have published on such topics as headache, migraine and neuropharmacology. I have testified 20 times on topics such as headache, brain injury and brain disorders. I am one of a handful of individuals worldwide who is qualified to address both the basic and clinical science of headache.