Dr. Christodoulou is a co-founder of Altima Dental, which is one of the largest dental service organizations in Canada and has been one of the principles owners of MCI Onehealth Technologies since 2013.   The combined healthcare group enables almost three million patients to access a vast, multidisciplinary group of dentists, medical doctors, medical and dental specialists, physiotherapists, other healthcare practitioners, and related services.  Comprised of well over 1,000 healthcare providers and support staff, Dr. Christodoulou has created a team of dedicated professionals providing access to a vast range of healthcare services for Canadians.

Dr. Christodoulou is a graduate of the University of Toronto Dental School (DDS) and the Rotman School of Management (MBA). He practiced dentistry in the Greater Toronto Area for more than 20 years and in 2014 earned a Master with the Academy of General Dentistry. He is a member of the Royal College of Dental Surgeons of Ontario as well as a member of the Alberta Dental Association and College and the Ordre des dentistes du Québec.  In 2007, Dr. Christodoulou was presented with the Arbor Award for outstanding voluntary service to the University of Toronto.