He received his DDS degree from NYU in 1971 and served as a dental officer in the US Navy. He is the Executive Vice President of the American Society for Dental Aesthetics. Dr. Fier has served as a consultant to the American Dental Association. He is an adjunct professor at New York University College of Dentistry, the Eastman Dental Center at the University of Rochester, and at the dental schools of the University of Minnesota, Loma Linda University, and Indiana University. He publishes articles in professional journals regularly; his contributions have been in the areas of Cosmetic & Restorative dentistry, state-of-the-art materials, hypnosis, and how dentistry affects the quality of life. In addition to having an active practice, he regularly lectures to other dentists in the United States and internationally. He has taught in Asia, Europe and Latin America, and has been awarded many honors and fellowships by his colleagues in prestigious societies throughout the world. Dr. Fier is a Fellow in the American College of Dentists, an honor bestowed on only 3% of the dentists in the United States, and a Fellow of the International College of Dentists.
A family oriented person; Dr. Fier enjoys being a husband, father, and grandfather of two, and resides with his wife Phyllis in Rockland County, New York.