Dr. Dietz was born and raised in Lansing, Michigan where his twin brother, Dave, still resides. Dan attended Michigan State University and received a bachelor of science degree with very high honors. He attended dental school at The University of Michigan and was a recipient of a Public Health Service scholarship and served for two years as a commissioned officer in the Indian Health Service in Gallup, New Mexico. Dr. Dietz has been a resident of Florida since 1982 and practiced general dentistry for twelve years in Englewood, Florida. He attended Northwestern University and completed a residency in endodontics and received a Master of Science degree. Dr. Dietz has been practicing endodontics in Southwest Florida since 1999.