Five years ago, TJ Hegarty was standing in a draughty community hall in Ireland, teaching eight students with just a whiteboard, folding tables and belief that Maths could be taught differently. He ...

Five years ago, TJ Hegarty wasn’t building a business. He was just trying to help a few students who were struggling in Maths. No fancy setup. Just a whiteboard, some folding tables, and a freezing ...