Dr. Jedrzejewski ( Dr.J ) graduated from the University of Witwatersrand, in Johannesburg, South Africa, with a Bachelor of Science in Physiology, Genetics, and a Bachelor of Dental Surgery in 1994.

He opened his dental practice in Barrie in 1999. Dr. J has a very special interest in Dental Sleep Medicine which treats sleep apnea and snoring.

He is a member of the American Academy of Dental Sleep Medicine, and has successfully completed the board exam and obtained a Diplomat status with The American Board of Dental Sleep Medicine. He attends numerous continuing education courses in sleep medicine, implantology and cosmetic dentistry.

He is an avid rugby and a soccer fan.