
Gregg Johnson
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Gregg Johnson, a former operator of the New Zealand Special Air Service (NZSAS), connected with Shane Christie over their shared experiences of head injuries and has been an advocate for addressing the long-term care and treatment of individuals affected by such injuries in their professional fields.
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Recent news mentions
Gregg Johnson is a former NZSAS soldier who has pledged his brain for research to understand the effects of head knocks.
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
Gregg Johnson met Shane Christie through their shared experiences of head injuries and expressed sadness over Christie's death.
Former Māori All Black Shane Christie dies in suspected suicide – death sparks rugby head knocks appealThe New Zealand Herald – country’s largest newspaper, est. 1863·
New Zealand· 2025-08-27












