Roger K. Warren was born and raised in Brigham City, Utah. He graduated from Box Elder High School and received a BA in Biology from the University of Utah in 1977. He attended Northwestern University Dental School in Chicago, Illinois and graduated with a Doctor of Dental Surgery (DDS) degree in 1981. Dr. Warren practiced General Dentistry in Salt Lake City until 1986 when he returned to a full time specialty residency in Endodontics at Oregon Health Sciences University,in Portland Oregon. Dr. Warren has been practicing in Salt Lake CIty as a specialist since 1988.
Dr. Leslie Walker grew up and graduated from high school in Altamont, Utah. After high school graduation, he served as a missionary for two years in New York. Dr. Walker received his bachelors degree from the University of Utah in Biology with a minor in Chemistry, he received his Doctorate in dental medicine from Case Western University then pursued his Certificate of Endodontics from the University of Pittsburgh.