Mark is a retired economics and mathematics teacher. He taught in Toronto and Hamilton for 24 years. He coached hockey, cross country, and track & field. He currently serves as a volunteer cross country coach for Westdale Secondary School. He has published a scifi novel, “Age-Decoded.” To learn more about him, go to:
Mark’s Bio: https://www.quora.com/profile/Mark-Ryall-2
Age Decoded link: https://books2read.com/age-decoded
