Meet the Team

Pinnacle Peak Endodontics

Photo of Pinnacle Peak Endodontics Staff

Call Pinnacle Peak Endodontics PLLC Phone Number 480-585-2824 to make an appointment with our amazing staff!


Jill is our Front Office Manager. She is the newest member of our team, and Dr. Thomas’ better half! Jill, originally from Tucson, graduated from Northern Arizona University receiving a Bachelor of Science degree in Dental Hygiene. Jill also received a Master of Arts degree in Adult and Higher Education from the University of Texas at San Antonio. Prior to joining our team, Jill worked as a hygienist for 25 years. During her tenure, she taught dental hygiene at the University of Texas, Health Science Center at San Antonio. Jill also worked in private practice in New Mexico, Texas, Florida, Arizona, and Ramstein AB, Germany while Dr. Thomas served in the United States Air Force. Jill has been happily married to Dr. Thomas for 27 years. They have middle school aged twin boys. Jill enjoys spending time with her family boating, jet skiing, snow skiing, and camping.

Photo of Jill at Pinnacle Peak Endodontics

Sandy at Pinnacle Peak Endodontics


Sandy is the Back- Office Coordinator and has over 26 years of experience as a dental assistant. For the last 18 years she has worked exclusively in the specialty area of endodontics. Sandy began her dental career at the Apollo College in 1982. Living in Arizona since 1973, Sandy enjoys reading, watching movies, going to sporting events, and spending time with friends and family. Sandy began working in 1997.


Kathy has been a Chair-Side and Back-Office assistant since July 2005. She began her dental career by taking on-line courses through Rio Salado College in 2004. Before starting in the dental field, she spent time as a carpenter’s apprentice for three years and worked for over eight years at Motorola in the cleanroom production.

Kathy, who is an Arizona native, has also lived in California, North Dakota, and Turkey during her husband David’s military career. They have four children. Kathy enjoys reading, listening to music and backyard cookouts with family and friends.

Kathy at Pinnacle Peak Endodontics