True Dental Success Institute

About Dr. Mark Costes

Costes and Family

Dr. Mark Costes received a Bachelor of Arts from the University of California, San Diego and a Doctor of Dental Surgery from the Marquette University School of Dentistry.

In a period of seven years, from 2003 to 2011, Dr. Costes was able to start six very profitable dental offices and sold four of them for a huge profit.

Dr. Costes currently owns and operates a dental assisting school and two dental offices. His dental assisting school has generated at least $100,000 of passive income for the last six years. For the last three years, his school curriculum has been sold to other dentists throughout the United States.

In 2001 Dr. Costes was married to his beautiful wife Leslie in San Diego, the city where they met and fell in love. They have three sons, Bryce, Brendan and Brady.

Dr. Costes is very active within his community and serves as the President of the Chino Valley Chamber of Commerce. He also serves as clinical faculty for the Arizona School of Dentistry and Oral Health. In addition, Dr. Costes provides a minimum of eight hours of charitable dentistry each month to the homeless population of Arizona.

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