Alison Ballance is the producer and presenter of RNZ's Our Changing World, which delves into the world of science, nature and the environment. She was formerly a wildlife filmmaker for National History New Zealand.

A shark enthusiast,  Ballance has swum with 15 kinds of sharks, including a 4-m long tiger shark.

She has just released a book – New Zealand's Great White Sharks: How Science is Revealing Their Secrets about a ten-year project (which her partner Malcolm Francis co-led) to tag and track the great whites found around New Zealand.