The Team


Dr. Mark J. Castle, DDS

Dr. Mark Castle
The founding dentist of Aspen Dental Assisting School is Dr. Mark J. Castle, D.D.S. He has a wealth of dental knowledge combined with over thirty years of dental experience. 

Dr. Castle taught at Northern Arizona University’s Dental Hygiene Program for three years. He recently completed rotations at Yavapai County Health Centers and North Country. Dr. Castle owned and practiced at Castle Dental Group, P.C. in Glendale, Arizona from 1984 thru 2000. He also provided dental and surgery services at a denture practice in Prescott Valley from 2000-2005.


Phoenix College: The In’s and Out’s of Bleaching, 1996. Seminar
East Valley Hygiene Association: Bleaching Update, 1996. Seminar
Geneva Dental Institute, Dr. Roy Schmude, Oral Cancer Diagnosis. Seminar
Northern Arizona University: Emergency Medicine, 2004- 07. Module
Northern Arizona University: Local Anesthesia, 2004 – 07. Clinic
Northern Arizona University: Adjunct Clinical Faculty, 2004 – 2007, Part Time
Seminar Presentations: “How to Treat Medical Emergencies Efficiently”
Nov. 2005 Awatukee Foothills Study Club, Dr. Howard Farran
Sept. 2007 Northland Study Club, Dr. Chris Chrysler
Feb. 2008 Rocky Mtn. Study Club, Dr. Charles Barotz


D.D.S. University of Detroit, Detroit, MI, 1979
B.S. Physiology, with Honors, Michigan State University, E. Lansing, MI, 1975

Eileen McQuade, RDH BS EF and Program Director


Eileen has over 25 years of experience as a dental assistant and hygienist. In addition she has spent many years as a teacher and a speaker in dental education.


Oakland Community College: Dental Hygiene Program 1977-1978
Phoenix College: Post graduate seminars, 1996, 2008
Northern Arizona University: Dental Hygiene Program 2002-2007


R.D.H. AAS Dental Hygiene, Ferris State University, Big Rapids, MI 1976
B.S. Allied Health Teacher Education, Ferris State University, 1977
E.F Expanded Functions post grad certificate program, Northern Arizona University, Flagstaff AZ 1988
Laser Certification, Phoenix College, Phoenix AZ, 2010

Maureen Pisano CDA, Lead Instructor



Maureen taught radiology at both Ocean and Monmouth County Vocational Schools in New Jersey, as well as the department head for the Dental Assisting program at Union Technical Institute in New Jersey before moving to AZ in 1997.  A practicing dental assistant since 1975 she taught a radiology program for Dental Assistants at Northern Arizona University from1997 to 2011, is council member for the Western Regional Dental Convention and a Board member for the AZ Dental Foundation.


She has been a DANB certified dental assistant (CDA) since 1979 and served a two term Presidency of the Monmouth County component of the New Jersey Dental Assistant Association. Maureen currently presents Oral Radiology review seminars for the Arizona Dental Association and at the Western Regional Dental Conventions where she also facilitates the Learning in the Round workshops for dental assistants.


What Students Say About our Curriculum...
"Taking my dental class through your curriculum was a great experience for me. It provided me a program that gave me accurate and up to date information regarding dental assisting and various dental procedures. I felt that the training and lab time prepared me for working as a dental assistant in the real world. I would definitely recommend this school curriculum to anyone interested in becoming a successful dental assistant."

Lauri W.,
Dental Assistant Accepted to NAU School of Dental Hygiene

" I attended this school because I wanted local training in a field that was rewarding both personally and financially. I am happy to say that I obtained a good job immediately following graduation. I would recommend it to anyone looking for a challenging and rewarding profession."

Amanda F., Dental Assistant

"I was thrilled with the outcome of completing my training. The training was great and mostly hands on, rather than just information from a book. It was an awesome program that was definitely worth every penny that I paid for it. I would recommend it to anyone and everyone. I am so happy I chose this program!"

Kayce B.,
Dental Assistant



Serving students from
Flagstaff, Sedona, Cottonwood, Verde Valley

Copyright © Aspen Dental Assisting School