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About Sickkids
About SickKids

Mark Greenberg, ChB, MB, LMCC, FRCPS(C), FAAP

The Hospital for Sick Children
Senior Staff Oncologist

Bereavement Care Task Force

University of Toronto


Chair Positions

The Hospital for Sick Children
Paediatric Oncology Group of Ontario

Other Positions

The Hospital for Sick Children
Haematology/Oncology Scientific Review Board

International Society of Paediatric Oncology (SIOP)
North American President

Paediatric Oncology Group of Ontario
Medical Director

Canadian Society of Paediatric Oncology (SIOP)
Founding Member and President

Phone: 416-813-7654 ext. 204500
Fax: 416-813-5327
Email: mark.greenberg@sickkids.ca

For more information, visit:


Brief Biography

Dr. Mark Greenberg is Professor of Paediatrics & Surgery and Paediatric Oncology Group of Ontario (POGO) chair in childhood cancer control at the University of Toronto. 

Dr. Greenberg received his medical undergraduate training in South Africa. Following paediatric residency training at Presbyterian St. Luke’s in Chicago and The Hospital for Sick Children, Toronto, Dr. Greenberg joined the full-time faculty of the Department of Paediatrics at The Hospital for Sick Children. Dr. Greenberg was chief of oncology “head” of the division of Haematology/Oncology during the period 1991-1997 and is currently medical director of the Paediatric Oncology Group of Ontario (POGO). 

Dr. Greenberg’s clinical/academic interests are in the field of paediatric oncology with a focus in the epidemiology of paediatric cancer, aftercare of children with cancer and the delivery of cancer services using a multidisciplinary model. Dr. Greenberg is recognized internationally as an outstanding opinion regarding complex oncology problems and as an advocate for children with cancer and their families. 

Dr. Greenberg is a past North American President of the International Society of Paediatric Oncology (SIOP). In recognition of his outstanding achievements in the field of paediatric oncology, he  was awarded the Order of Canada in 2001.

Clinical Care Activities

Interests: Survivors of childhood cancer.

Academic Background

Paediatric Haematology/Oncology Fellowship
The Hospital for Sick Children, 1972-07-01 - 1973-07-01

Research Interests

Late effects of treatment; epidemiology of childhood cancer; Quality of Life

Future Research Interests

Organ specific, global functional & quality of life outcomes in survivors of childhood cancer.


Order of Canada, Canadian Government, Ottawa, Ontario. 2001

POGO Chair in Childhood Cancer, University of Toronto. 2000


Nagarajan R, Neglia JP, Clohisy D, Yasui Y, Greenberg ML, Hudson M, Zevon A, Tersak JM, Ablin A, Robinson LL: Education, Employment, Insurance and Marital Status among 694 survivors of pediatric low extremity bone tumours. Cancer 2003; 97:2554-64.

Kadan-Lottick NS, Robison LL, Gurney JG, Neglia JP, Yasui Y, Hayashi R, Hudson M, Greenberg M, Mertens AC: Childhood cancer survivors' knowledge about their past diagnosis and treatment: Childhood Cancer Survivor Study. JAMA 2002; 287(14): 1832-1839.

Greenberg ML: Childhood cancers and the environment: Is there anything to worry about? Paediatrics and Child Health 2001, 2002; 6 (10): 728-9.

Luo W, Lane R, Stobart K, Morrison H, Schanzer D, Barr R, Greenberg M: The medical care cost of childhood and adolescent cancer in Manitoba, 1990-1995. Chronic Diseases in Canada 2002; 23(3): 83-90.

Greenberg ML, Barr RD, diMonte B, McLaughlin E, Greenberg C: Childhood cancer registries in Ontario, Canada. Lessons learned from a comparison of two registries. International Journal of Cancer 2003; 105(1) 88-