[3] Regan is also a successful games all-rounder having won multiple medals at the Mind Sports Olympiad including back-to-back Women's Pentamind in 2023 and 2024.

[7][8] Natasha studied mathematics at King's College, Cambridge University[9] and is a professional actuary with twin daughters and a son, Oscar Selby.

[16] Natasha Regan came up with the idea for her and GM Matthew Sadler's second collaboration Game Changer[17] which won the FIDE chess book of the year.

[18] It details the lessons that can be learnt from how DeepMind's revolutionary computer program AlphaZero plays chess.

At the Tata Steel Chess Tournament 2019, after a draw with Teimour Radjabov, number 1 ranked chess player and world champion, Magnus Carlsen commented about Game Changer: "I found the book quite inspirational.