Need to talk to someone? Call us at (587) 782-3259 or email us to connect.

Need to talk to someone? 

Call us at (587) 782-3259 or email us to connect.

Dr. John Koller

Dr. Rob Seal

Pediatric Anesthesiologist

Stollery Children’s Hospital
Walter C. Mackenzie Centre
8440 – 112 Street
Edmonton, Alberta T6G 2B7

Clinic telephone: (780) 407-3952

  • MD; University of Alberta


  • Anesthesiology; University of Alberta
  • Pediatric Anesthesiology; Dalhousie University
Certifications and Accreditations
  • Fellow – Royal College of Physicians and Surgeons of Canada
  • Licensee College of Physicians and Surgeons of Alberta
  • Member of Alberta Medical Association and Section of Anesthesia
  • Canadian Medical Protective Association
  • Canadian Pediatric Anesthesiology Society and Member of Canadian Pediatric
  • Anesthesia Chief’s Forum
  • Canadian Anesthesiology Society
  • Society of Pediatric Anesthesiology
  • Congenital Cardiac Anesthesiology Society

Dr. John Koller is a pediatric anesthesiologist with more than 30 years of experience in congenital cardiac anesthesiology. He currently serves as the Zone Clinical Department Head of Pediatric Anesthesiology at the Stollery Children’s Hospital, where he oversees the provision of pediatric anesthesiology services in Edmonton for Alberta Health Services. Dr. Koller is also the Anesthesia Champion at the Stollery for the National Surgical Quality Improvement Project (NSQIP) – a project conducted by the American College of Surgeons.


Dr. Koller earned his medical degree from the University of Alberta, and completed subsequent training at the Grey Nuns Hospital (Edmonton), the University of Alberta Hospital (Edmonton) and Dalhousie University (Halifax).

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