City of Lights Dental

Aurora Dental Arts Building             
1940 West Galena Boulevard Suite 11
Aurora, IL 60506

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The brief descriptions below are designed to familiarize you with our staff's training, professional credentials and work experience.

Julie Lies-Keilty, DDS


Loyola Dental School, DDS, 1990

Vice President, St. Appollonia Society ( Patron Saint of Dentists)

Lewis University, Nursing BSN, 1980

Staff and Charge Nurse, Northwestern Memorial Hospital, 1980-1986

Internal Medicine, 1980-1983

Caridac Intensive Care, 1983-1986

Loyola Dental School, DDS, 1990
Vice President, St. Appalonia Society (Patron Saint of Dentists)

Lewis University, Nursing BSN, 1980
Staff and Charge Nurse, Northwestern Memorial Hospital, 1980-1986
Internal Medicine , 1980-1983
Cardiac Intensive Care, 1983-1986 

Rosary High School 

Professional Association

  • American Dental Association, ADA
  • Illinois State Dental Society
  • Chicago Dental Society, Fox Valley Chapter
  • Aurora Dental Society

Personal Bio

After graduating from Loyola Dental School in 1990, Dr. Julie joined the practice her father started in the 1940's.Dr. Donald Lies was one of the original dentists that founded the Aurora Dental Arts Building in 1967. Her areas of interest are Preventative Care, Family Dentistry, Invisalign, Root Canal Therapy, CEREC Crowns, Crown and Bridge, Cosmetic Dentistry and Restoring Implants.She attends the annual Chicago Dental Convention,participates in a CEREC Study Club and takes monthly Invisalign classes.She also attends many seminars during the year to offer patients the latest in technological advances.

Volunteer Experience

St. Katherine Drexel Church - "Fully Engaged Committee" - Dr. Julie and her husband John mentor engaged couples. 

The Just Food Initiative of the Fox Valley- A faith and hope motivated organization offering a Hand UP.This group helps the needy grow, freeze and can their own food.

Mission Possible -  A faith-based non-profit organization to serve the people and community of Aurora.


Cosmopolitan Club - A club that fights diabetes. 

Operation Gratitude - Every year, Operation Gratitude sends 200,000+ individually addressed care packages to Soldiers, Sailors, Airmen and Marines deployed overseas, their children left behind, and to New Recruits, Veterans, First Responders, Wounded Heroes and their Care Givers.Each package contains food, hygiene products, entertainment and handmade items, as well as personal letters of support.
ACDS -The Aurora Children's Dental Service -  A  non-profit organization that provides free dental care to children in need.  

Achievements and Certifications

Laser, Cerec, Invisalign, First Fit guided prosthetics delivery system and  ITero Scan. 

Personal Favorites

Dr. Julie believes in living life to the fullest and encourages everyone around her to do the same.

She enjoys physical activities such as, running, biking, tennis and cross-country skiing. She also likes books, art and Aurora history.   

Dr. Julie is married and has three grown children. Dr. Julie's husband,John helps, out with the City of Lights Dental business.  

Her oldest son, Jack,is attending University of Minnesota Medical School in Minneapolis.Her daughter, Katrina,graduated from Aurora University from their BSN program and is an RN on a Mother/Baby Postpartum unit at Rush/Copley Hospital in Oswego.Her youngest son, Sam,is in the US Navy, aboard the USS Mobile Bay (CG 53) stationed at the Naval Base in San Diego, CA.

Favorite Quote -   "Do small things with great love."  Mother Teresa

                               "Peace begins with a smile."  Mother Teresa



Dr. Marvin Amayun, DMD 

Dr. Marvin's commitment is to provide utmost patient care in a respectful and professional manner while giving a very enhanced level of clinical care. Consider Dr. Marvin your personal dentist who cares most about your dental health and well-being. Dr. Marvin graduated with dual degrees, earning B.S. in Biology and B.S in Business Administration: Finance, Real Estate, and Law. After training as an Emergency Medical Technician, he worked as a teacher for various grade levels. He earned his doctorate degree (DMD) from Harvard School of Dental Medicine with concurrent training from Harvard Medical School. He then completed his residency training in advanced general dentistry at The University of Texas in Houston. His research areas included Gastroesophageal Reflux Disease (GERD) and women's health during pregnancy. Dr. Marvin is an avid traveler, played team sports, and involved in philanthropies. He enjoys his free time with his lovely family. You can talk to him any time regarding any questions or concerns you have about your dental care!



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Dental Assistant