A specialist paediatric dentist currently working in private practice and teaching, Professor Dimitris Emmanouil is a Past Assistant professor at the Department of Paediatric Dentistry, Dental School, National and Kapodistrian University of Athens, Greece, as well as a past senior lecturer at King's College Dental Institute, London, UK.  The Clinical Director of DentalKids, which has treated thousands of children over the span of 30 years of practice, Prof. Emmanouil has been adjunct Assistant professor at Washington State University, School of Pharmacy for more than 10 years, where he has done extensive research on Nitrous Oxide Pharmacology winning awards from the American Academy of Paediatric Dentistry,  International Association of Paediatric Dentistry and American Society of Dental Anesthesiology.  Prof. Emmanouil has been published in international literature (+ 500 citations), is editor of the book Nitrous oxide in Pediatric Dentistry, and lectures internationally on nitrous oxide, special care Dentistry and behavior modification.