Dr. Macken graduated from the National University of Ireland, Galway and trained in Internal Medicine in University College Hospital Galway obtaining Membership of the Royal College of Physicians in Ireland in 1994.
He then completed a Neurology residency followed by a two-year fellowship program in Clinical Neurophysiology and Epilepsy at the Cleveland Clinic Foundation in Cleveland, Ohio. Subsequently, he worked at Loyola University Medical Center as an attending neurologist in the Loyola Comprehensive Epilepsy Center and as Assistant Professor of Neurology in the Stritch School of Medicine.
In 2008, he moved to the Department of Neurology at Northwestern Memorial Hospital working as an attending neurologist at the Comprehensive Epilepsy Program with an appointment as Assistant Professor of Neurology in the Feinberg School of Medicine of Northwestern University.
Dr. Macken's practice focuses on the medical and surgical treatment of epilepsy with particular emphasis on the treatment of medically intractable seizures.