Michael Wallace uses statistics to beat Tim Hortons’ Roll Up To Win

Friday, March 31, 2023

Michael Wallace, a white man with glasses, poses with several Tim Hortons cups

Mathematician Alfré Rényi famously said that “a mathematician is a machine for turning coffee into theorems.” Waterloo biostatistics professor Michael Wallace, however, is a machine for turning coffee into prizes.

In 2020, when Tim Hortons moved their long-standing “Roll Up The Rim To Win” contest completely online due to the Covid-19 pandemic, Wallace made the news for using his statistics knowledge to win 98 per cent of the time. After Tim Hortons tweaked their system in response to his wins, he's back this year with a new method. 

Read the full story on the Waterloo News page.