Our Instructors


Maciej is the current director of Summerhill Online Academy, an online learning platform that specializes in immigration related language testing preparation as well as employability and citizenship-contextual English language learning. He holds an M.Ed. and CELTA and has worked within the ESL market (in one form or another) for the last 15 years.

CELPIP Instructor

Firas has been teaching ESL to international students for over 10 years in Canada and abroad, His recent focus area at Summerhill Online Academy is preparing students for proficiency tests, such as CELPIP, IELTS, TOEFL, and CAEL. Firas holds a Master’s degree in Teaching Methodology TESOL, and he is currently doing a second Master’s degree in Educational Technology at UBC.

IELTS Instructor

Mahgol Izadi is an academic English teacher and creative writing workshop facilitator. She has a Bachelor’s in Professional Writing and a Master’s in Second Language Education. She has been an academic instructor for 13 years, teaching EAP, creative writing, and improv seminars and is currently teaching both CELPIP and IELTS at Summerhill Online Academy.

CAEL Instructor

John Costello is an entrepreneur, teacher and coach. He holds a B.A. English Literature and Communications, University of Ottawa Senior Facilitator and Coach for WITZ Education. He also holds a TESOL Global Certificate and is a Certified Life Coach (ICF) John has facilitated and coached the various WITZ Leadership and Management Training Programs since the early 1990’s. His mentor was the late, great Paul Witz (1952-2012). In addition to making a positive difference for participants in the WITZ curriculums, he also teaches English for Chinese children from ages 5 -12. An Alumnus of “The Second City Cabaret Theatre” in Toronto, as an actor, comedian and writer, he brings laughter and improvisation to enhance the learning experience for his participants at Summerhill Online Academy. John is also a graduate and former staff member of Landmark WorldWide. He is passionate about making a difference for others, one conversation at a time!