- American Academy of Facial Plastic and Reconstructive Surgery
- American Academy of Otolaryngology-Head and Neck Surgery
- American Rhinologic Society
- Wabash College
- Indiana University School of Medicine
He completed his internship in General Surgery and residency training in Otolaryngology at the S.U.N.Y.-Upstate Medical University in Syracuse, New York. Dr. Chegar completed a fellowship in Facial Plastic and Reconstructive Surgery in Atlanta, Georgia, where he also served as a faculty member for the Department of Otolaryngology-Head Neck Surgery at the Emory University School of Medicine.