1.905.604.4622 info@upperyorkschool.ca

Staff & Faculty


Mr. Russell Ash

Head of School

20+ years in education, both locally in Ontario and internationally

M.Ed, Professional Teaching Certificate, International leaders Certificate

Consultant, International Baccalaureate and Social-Emotional Wellness programs in schools

Passionate about educational change in the 21st Century


Ms. Lydia Gao

Vice Principal
(Ph.D, M.Sc., B.Eng)

  • 20+ years experience in Educational Management
  • Awarded Special Allowance by State Council of People’s Republic of China
  • Outstanding Teacher of Beijing City

Mr. Andy Mok

Director of Health & Wellness
Registered Nurse, BScN, BSc, MN (Candidate)

  • Research experience in men’s health literacy, migration and settlement of Asian Men, and mental health stigma
  • Past clinical experiences at The Rekai Centres, Eva’s Place, and St. Michael’s Hospital
  • Gentle Persuasive Approaches (GPA) certification

Ms. Dorothy Hartman

Director of College Counselling
B.Ed, Guidance Specialist & Principal’s Course

  • Over 20 years of experience in the field of education
  • Served as Vice Principal for 10 years

“As Director of College Counselling, my goal is to ensure that 100% of our students enter College and University upon graduation.  I enjoy engaging with the students to ensure that they have all necessary credits and what they need to accomplish this.”

Ms. Celia Shen

Administrative Assistant
(M.Sc., B.Eng)

  • Senior Certificate for Educational Management
  • 8 Years experience as an Administrative Assistant

Mr. Charlie Li

Administrative Assistant
(MBA, B.Sc.)

“At Upper York School, class lessons are not the only things students learn, but also life lessons”

  • Experience with tutoring all ages of students
  • AACBS certified graduate

Ms. Christine Stolte

Administrative Assistant
(B.Soc., B.Ed)

  • Experience teaching and tutoring all ages
  • OCT member


Ms. Sara Kyriakopoulos

Science Teacher
(B.Sc., Hons, B.Ed)

“I strive to enhance student learning by bringing technology and experiential learning into the science classroom.”

  • Experience teaching and tutoring all ages.

Mr. Mohammad Tavalla

Mathematics & Physics Teacher
( Ph.D candidate, York University, MSc. Pure Mathematics)

“I strive to enhance student learning by bringing technology and experiential learning into the science classroom.”

  • 20 years teaching experience, taught internationally.

Mr. Ted Starr

B.A. English/History, B.Ed

“Education today is more about facilitation and allowing students to make their own informed decisions about the world and the issues that surround them.”

  • Teach English and Business Leadership
  • Spent the last four years teaching the Ontario curriculum to students traveling through Asia, Europe and Africa

Ms. Ariana Ameree

M.Ed., B.Ed., B.Sc. Honours, OCT

  • 10 years of teaching experience
  • International Teaching in UAE and Qatar
  • International Baccalaureate (IB PYP) experience
  • CIDE Specialization, U of T

“The true sign of intelligence is not knowledge but imagination.”  Albert Einstein.”