Executive Members

Rony Masri

Executive Officer

Rony Masri began his teaching career in 1999 with the Greater Essex County District School Board as an occasional teacher for one year. He made the move to the TDSB one year later hired as a Contract Teacher. He has taught Biology, Chemistry, Math, Special Education and an Interdisciplinary Studies Biotechnology program, all at Humberside C.I. Rony was also Assistant Curriculum Leader of theĀ Sciences during his time at Humberside C.I.

Rony became involved with OSSTF as the Professional Development Representative in 2001 and then became Branch President at Humberside CI in 2002. He held that position until December 2017, when he was elected as Executive Officer. Prior to becoming Executive Officer, Rony has served on the Collective Bargaining Committee, was an Executive Officer-at-Large, been a delegate at AMPA for many years and served as an AMPA delegation whip.

Email: rmasri@osstftoronto.ca
Phone: (416) 393-8900 ext. 238


  • TTBU Constitution & Steering Committee/AGM Executive Liaison
  • District Constitution Committee/DGM Executive Liaison
  • Branch Presidents Manual/Resources
  • Professional Development Committee Liaison Back-Up
  • Website / Email Administration
  • Staffing Officer
  • Grievances
  • TTBU Alternate Heath & Safety Inspector


  • Avondale Alternative S. S.
  • Contact Alternative School
  • Danforth C. T. I.
  • David and Mary Thomson C. I.
  • Etobicoke C. I.
  • Etobicoke Secondary Alternative School
  • Frank Oke S. S.
  • Georges Vanier S. S.
  • Greenwood S. S.
  • Harbord C. I.
  • Jarvis C. I.
  • Lester B. Pearson C. I.
  • Native Learning Centre
  • Native Learning Centre East
  • Newtonbrook S.S.
  • North East Secondary Alternative School
  • North West Secondary Alternative School
  • Oakwood C.I.
  • Runnymede C.I.
  • School of Experiential Education (SEE)
  • School of Life Experience (SOLE)
  • Sir Wilfrid Laurier C.I.
  • South East Secondary Alternative School
  • Subway Academy II
  • Victoria Park C.I.
  • West Hill C.I.