• Sleep medicine
• Neurology

• Northwestern University – Professor, since 2010
• Lebanese American University – Adjunct professor
• Yerevan State Medical University – Adjunct professor
• Loyola University – Associate professor, 2009–2010
• University of Vermont – Associate professor, 2003–2009
• Washington University – Assistant professor, 1999–2003
• Board certified in sleep medicine and neurology from the American Board of Psychiatry and Neurology
• Board certified by the American Board of Psychiatry and Neurology in neurology
• Board certified by the American Board of Internal Medicine in sleep medicine

• University of Minnesota – Fellowship in sleep medicine, 1999
• University of Rochester – Fellowship in neurophysiology and epileptology, 1998
• The State University of New York Upstate Medical – Residency in neurology, 1993–1997
• American University of Beirut – Degree in medicine, 1992
• American University of Beirut – Bachelor’s degree in general biology, 1988

• Member of the World Sleep Society, American Academy of Sleep Medicine, American Academy of Neurology, Society for Refugee Health, and American College of Chest Physicians

• Excellence in Teaching Award at Northwestern University Feinberg School of Medicine, 2013–2021
• Nicholas Vick Excellence in Teaching Award Winner at Northwestern University Feinberg School of Medicine, 2014
• Patient Care Hero award from the American Academy of Dermatology, July 2019 
• Chicago Magazine/Castle Connolly’s Best Doctors of Chicago, June 2020–2023
• Outstanding Mentor Award American University of Beirut Medical Research Volunteer Program –International Program, 2023

Published three textbooks and 75 peer-reviewed medical papers