Deborah Jayne Bestwick is a British entrepreneur. Following a short career in video game retail, she was part of the December 1990 merger between British video game publisher 17-Bit Software and Swedish developer Team 7 that created Team17. She was the company's co-manager until buying out the other founders' stakes in 2010 to become chief executive officer (CEO). Team17 went public in May 2018, earning Bestwick £50 million in windfall gain. She has been awarded various accolades related to the video game industry between 2015 and 2017, and was pronounced a Member of the Most Excellent Order of the British Empire in June 2016. She stepped down as CEO of Team17 on 1 January 2024.

Team17 Group plc is a British video game developer and publisher based in Wakefield, England. The venture was created in December 1990 through the merger of British publisher 17-Bit Software and Swedish developer Team 7. At the time, the two companies consisted of and were led by Michael Robinson, Martyn Brown and Debbie Bestwick, and Andreas Tadic, Rico Holmes and Peter Tuleby, respectively. Bestwick later became Team17's chief executive officer until 1 January 2024. After their first game, Full Contact (1991) for the Amiga, the studio followed up with multiple number-one releases on that platform and saw major success with Andy Davidson's Worms in 1995, the resulting franchise of which still remains as the company's primary development output, having developed over 20 entries in it.