John Guyton
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John Guyton is the father of Billy Guyton, a former rugby player who was diagnosed with chronic traumatic encephalopathy (CTE) posthumously. He has been a vocal advocate for greater transparency and openness regarding the effects of brain injuries in rugby, supporting calls for New Zealand Rugby (NZR) to publicly discuss recommendations related to player safety and concussion management.
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John Guyton is the father of Billy Guyton and has been vocal about the impact of CTE on his son and Shane Christie.
The tragic final year of rugby star and brain injury advocate Shane ChristieThe New Zealand Herald – country’s largest newspaper, est. 1863·
New Zealand· 2025-09-05
New Zealand· 2025-09-05
John Guyton expressed his feelings about Shane Christie’s death, stating it had 'blown me away'.
Father of CTE victim Billy Guyton slams NZ Rugby after Shane Christie’s sudden deathThe New Zealand Herald – country’s largest newspaper, est. 1863·New Zealand· 2025-08-27
New Zealand· 2025-08-27
John Guyton has supported Shane Christie’s call for more transparency regarding brain injuries in rugby.
How Shane Christie was gagged from speaking on brain injuries the year before his deathThe New Zealand Herald – country’s largest newspaper, est. 1863·New Zealand· 2025-08-27
New Zealand· 2025-08-27
