Turned pro: 2012
- Donaldson regained his spot on the tour thanks to the European Tour order of merit in 2015/16.
- He beat Mark Selby and Martin Gould on a run to the last 16 of the 2015 Ruhr Open.
- Donaldson also reached the last 16 of the Welsh Open in 2014, winning three matches before Ding Junhui ended his run.
- He made the semi-finals of Asian Tour event one in Yixing in 2013, beating the likes of Jamie Burnett and Tian Pengfei before losing to Mark Selby.
- Scottish youngster Donaldson made his debut on the professional tour in 2012/13. He earned his place by winning the European Amateur Championship in Latvia.
- He comes from Perth, not far from the home of snooker legend Stephen Hendry.