Contact the OHTN

The Ontario HIV Treatment Network

1300 Yonge Street, Suite 600
Toronto, Ontario. M4T 1X3
Tel: 416 642 6486
Toll Free: 1 877 743 6486
Fax: 416 640 4245

Main Contacts:

General information: General Information
Scientific and Executive Director: Scientific & Executive Director
Questions related to HIV research: Manager, Research Funding Programs
Questions related to the OHTN Cohort Study: OCS Coordinator
Grant, award and scholarship information: Manager, Research Funding Programs
Knowledge Translation and Exchange: Manager, Knowledge Translation and Exchange
Research Conference information: Conference Coordinator
Privacy Concerns: Privacy Officer

Getting Here

The closest intersection is Yonge and Woodlawn, about four blocks south of St. Clair and Yonge. The closest subway stops are Summerhill and St. Clair on the Yonge line. Public parking is available at Yonge and Rosehill, two blocks north of the OHTN.


The OHTN Cohort Study (OCS) is an anonymous, observational, open and dynamic cohort study of people living with HIV/AIDS in Ontario.