Dr. El Chaar is currently a Clinical Professor in the Department of Periodontics at the University of Pennsylvania, School of Dental Medicine. He is a former Clinical Associate Professor at the Department of Periodontics and Implant Dentistry and former Director of Advanced Education Program in Periodontics at New York University College of Dentistry. Former Director and Founder of Advanced Education Program in Periodontics at Lutheran Medical Center. He has a thriving private practice in New York City that specializes in dental implants and Periodontal disease. He is the founder of EEC Institute, a continuing education and research institution focused on the advancement of clinical periodontics and implant dentistry. He is a retired Major in the US Army. He travels several times a year to lecture internationally and domestically and has published several articles in peer-reviewed journals and authored several chapters in published books.

Dr. El Chaar completed his Doctorate of Dental Surgery, his post-graduate education in Advanced Periodontics and Dental Implants, and received a Master in Oral Biology all from New York University. He is a Diplomate of the American Board of Periodontology and Implant Dentistry. Member and Fellow of Implant Team of Implantology (ITI) and serves on the education committee, and Member of American academy of Periodontology and Academy of Osseointegration.

During his free time, Dr. El Chaar enjoys playing tennis, spending time with his family, boating and playing saxophone.