Katie Patrick is an Australian-American environmental engineer, software designer and author of How to Save the World – How to Make Changing the World The Greatest Game We've Ever Played that was ranked by Forbes as one of the top five books for social impact entrepreneurs.

Her company, Hello World Labs applies data-driven, gamification and behavior-change techniques to solve the world’s biggest environmental problems. She is the creator of the behavior change game and Youtube channel Detrashed, the author of Detrash Your Life in 90 Days - The Art of Zero Waste Living and the creator of Zerowastify an app designed to better measure municipal solid waste.

Katie has been a media spokesperson on environmental issues and has been featured regularly on TV, radio and in print publications including Vogue Australia. She was CEO of the VC-funded green-lifestyle magazine Green Pages Australia and was appointed environmental brand ambassador by the Ogilvy Earth advertising agency for Volkswagen, Lipton Tea and Wolfblass Wines. She has served on the board of Australia’s national eco label, Good Environmental Choice Australia, and won the Cosmopolitan Woman of the Year Award for entrepreneurship.  

After graduating from the Royal Melbourne Institute of Technology with a B.Eng in Environmental Engineering, she worked as an environmental design engineer for building engineers Lincoln Scott in Sydney on some of the world’s first platinum-LEED-certified commercial buildings.

Katie lives in San Francisco with her young daughter Anastasia.