Dr. Montagnese was born and raised in Lorain, Ohio. He graduated from Clearview High school in 1966, did his predental studies at the University of Cincinnati from 1966 to 1969, and graduated from The Ohio State University College of Dentistry in 1973.

After graduating from dental school he served with the United States Navy Dental Corps as a Lieutenant at Subic Bay Naval Station, Republic of the Philippines from 1973 to 1975. From 1975 to 1976 he associated with Dr. Irving Gilman, a general dentist in Lorain. From 1976 to 1977 he taught endodontics at Pahlavi University in Shiraz, Iran. In 1978 he started his specialty training in endodontics at The Ohio State University College of Dentistry and received his Certificate in Endodontics and Master of Science degree. His Master's Thesis was published in the Journal of Endodontics.

Dr. Montagnese practiced with an endodontic specialty group from 1980 to 1985 in Rocky River Ohio before starting his own private practice in Lorain in 1985. Dr. Montagnese has been on the faculty of Case Western Reserve University, School of Dental Medicine since 1997 where he is an Assistant Professor in the Graduate Endodontic Program. Dr. Montagnese received his training in intravenous sedation from Miami Valley Hospital in Dayton Ohio in 1997 and is one of the few endodontists in the United States who is trained and permitted to provide intravenous sedation.

Tacy is the Business Area Manager. She has been with the practice since September 1997. Her main responsibilities include greeting patients, dispensing information, scheduling appointments, handling insurance claims, and overall management of the Reception and Business areas. She enjoys fishing, camping, baking, and spending time with her family.

Dawn is the Senior Dental Assistant. She has been with the practice since 1996. Dawn received her Dental Assistant Certification from the Lorain County Joint Vocational School Adult Career Center where she is currently teaching the course. She also has a current Dental Assistant Radiographer License through the Ohio State Dental Board. She enjoys going for walks, reading, being outdoors, and spending time with family and friends.