Donald Allan Mattrick OBC (born February 13, 1964) is a Canadian businessman who co-founded Distinctive Software (DSI) in 1982 in Vancouver at age 17, while graduating from high school and attending Simon Fraser University where he studied business and managerial economics.

[4] In 1982, Mattrick and Jeff Sember co-founded Distinctive Software (DSI), creating the video game Evolution on the Apple II.

Prior to the acquisition, DSI was the largest independent game developer in North America and had 75 full-time employees working on various projects with companies like Konami, Broderbund, IBM, Disney, Mindscape and Accolade.

"[15] Mattrick left Microsoft on July 1, 2013, to join Zynga as CEO and would eventually be replaced by Phil Spencer as Head of Xbox in 2014.

[19] Wall Street investors thought positively of Mattrick's appointment[20] and Zynga's shares greatly rose the day the news was made public.

[21] On his first quarterly financial earnings call with Zynga, on July 25, 2013, Mattrick predicted volatility for the company over the coming 6 months to one year, stating a need to "get back to basics" and "take a longer term view on our products and business.

[28] Mattrick was the Co-Chair of the British Columbia's Premier's Technology Council from 2016 to 2018[29] and serves since 2019 on the board of directors of the Vancouver Prostate Centre.