Vanessa O’Brien is the author of To the Greatest Heights: Facing Danger, Finding Humility, and Climbing a Mountain of Truth. She is an American-British mountaineer, explorer, public speaker and former business executive. In 2017, she became the first American woman and the first British woman to successfully summit K2. Vanessa was named Explorer of the Year in 2018 by the Scientific Exploration Society. Vanessa is a Fellow of the Royal Geographic Society and an advocate for woman’s causes. She lives in New York and London with her husband, Jonathan.