He was the Director-General of Health leading the country through the hardest health challenges New Zealand has faced in modern history.
Today, he's a Professor at the University of Auckland's School of Population Health.
LISTEN ABOVE

Dr John Cameron: The divide between Telehealth and face-to-face appointments
40:47

Greg Pain: Avoiding injuries before they happen
40:54

Alex Flint: Training for your body type
40:36