Originally from Australia, Alan B. Johnston grew up in the United States surrounded by technology. Always going to become an engineer, he experimented with amateur radio, coding and creative writing from an early age, and traveled the world with his family. He has a doctorate in electrical engineering, and has worked in industry and taught at a number of universities. He has written five best-selling technical books and authored over thirty patents and international standards in real-time communications over Internet Protocol and in security, including co-authoring the ZRTP voice security protocol standard. He enjoys mentoring robotics teams and hacking around with Arduinos and Raspberry Pis. He lives near Seattle and continues to travel the world, ride motorcycles, and sail. Returning to Zero is his second novel, the continuation of the story of Mick O’Malley and the botnet started in his first novel Counting from Zero.