Skier who, at age 16, became the youngest person ever to complete the so-called "polar hat trick," which includes skiing to the North and South Pole as well as crossing Greenland. Her journey was filmed by National Geographic for a feature-length documentary.
She hails from Melbourne, Australia. She completed the trek to Everest Base Camp at age 12.
She is passionate about climate change awareness and delivered TEDx talks in 2016 and 2017.
Her parents are Vanessa and Paul Hameister.
She was interviewed on Megyn Kelly TODAY as part of the show's "Teen Titans" series.