He has management experience from his time at the Norwegian Ski Association and has also played a part in popularising the aktivCampus initiative designed to create "an active, health-promoting and meaningful student life".

Source: https://www.insidethegames.biz/articles/1137549/rolstadaas-norway-university

He is widely recognised as an artist who has played a role in popularising regressive ideologies through Malayalam cinema.

Source: https://indianexpress.com/article/entertainment/malayalam/iffk-2023-chalachithra-academy-chairman-ranjith-faces-discontent-gets-booed-during-closing-ceremony-9070547/

Outside of the show John is best known for hosting John and Lisa's Weekend Kitchen alongside his wife Lisa Faulkner, and is also renowned for popularising Australian food in the UK in his restaurants The Luxe and Smiths of Smithfields.

Source: https://www.dailymail.co.uk/femail/article-11989593/Aggressive-MasterChef-UK-floor-manager-riles-viewers.html?ns_mchannel=rss&ns_campaign=1490&ito=1490