Directory
![Headshot of Dr. Vijay Ramaswamy.](/siteassets/images/staff-headshots/vijay-ramaswamy-headshot-300-2023.png?height=450&width=133&mode=min&metadata=false&dt=638225397530000000)
Staff Neuro-Oncologist, Section of Neuro-Oncology, Division of Haematology/Oncology; Scientist, Developmental and Stem Cell Biology
vijay.ramaswamy@sickkids.ca
![](/siteassets/images/staff-headshots/luciana-rodriguez-guerineau-headshot-300.png?height=450&width=133&mode=min&metadata=false&dt=637484849600000000)
Staff Physician, Cardiac Critical Care Unit
luciana.rodriguezguerineau@sickkids.ca
Director, Canadian Centre for Primary Immunodeficiency, Division of Immunology and Allergy
chaim.roifman@sickkids.ca
Chief of Research Emeritus, Senior Scientist, The Hospital for Sick Children
janet.rossant@sickkids.ca
![](/siteassets/images/staff-headshots/johanna-riesel-headshot-300.png?height=450&width=133&mode=min&metadata=false&dt=637685301190000000)
Pediatric Reconstructive Surgeon
johanna.riesel@sickkids.ca
![](/siteassets/images/staff-headshots/ahmed-naqvi-headshot-300.png?height=450&width=133&mode=min&metadata=false&dt=637649008690000000)
Staff Haematologist/Oncologist, Division of Haematology/Oncology
ahmed.naqvi@sickkids.ca
![](/siteassets/images/staff-headshots/lynne-nield-headshot-300.png?height=450&width=133&mode=min&metadata=false&dt=637411546140000000)
Staff Cardiologist
Lynne.nield@sickkids.ca
![](/siteassets/images/staff-headshots/amir-jeewa-headshot-300.png?height=450&width=133&mode=min&metadata=false&dt=637448731630000000)
Section Head, Cardiomyopathy & Heart Function, Division of Cardiology
Aamir.jeewa@sickkids.ca
![Dr. Sheena Josselyn](/siteassets/news/news-archive/2021/sheena-josselyn-headshot.png?height=450&width=133&mode=min&metadata=false&dt=638016158750000000)
Senior Scientist, Neurosciences & Mental Health
sheena.josselyn@sickkids.ca
Staff Physician, Division of Paediatric Medicine
anne.fuller@sickkids.ca
![Headshot of Ching See Lau](/siteassets/images/staff-headshots/ching-see-lau-headshot-300.jpg?height=450&width=133&mode=min&metadata=false&dt=638107068810000000)
Staff Physician, Paediatric Advanced Care Team (PACT)
![](/siteassets/images/staff-headshots/giles-santyr-headshot-300.png?height=450&width=133&mode=min&metadata=false&dt=637412292630000000)
Senior Scientist, Translational Medicine
giles.santyr@sickkids.ca