Professionally, Mr. Clarke has worked across several disciplines in the tech industry. For a time he worked as an applications engineer for the robotics company Parallax, the world's largest educational robotics company. Desiring to return to his home in Phoenix, he accepted a position as the professor of robotics and embedded systems at UAT, a course of study he created for the university with an emphasis on embedded systems security and hacking. Returning to industry, Mr. Clarke consulted for the Department of Energy as security expert and researcher. He has was also a consultant for the Department of Defense for several years. Currently Mr. Clarke is a part of the Advanced Programs Group (APG), a part of Intel Security. Now that we have that out of the way: I have always considered myself a hacker. My robots were on display at the very first Maker Faire, and my projects have shown up in Servo, Nuts and Volts, Wired, The Register, Reuters, Cnet, well, you get the idea. I am one of the Defcon organizers, and am the official Defcon Crypto and Puzzle Master. I created the Defcon Hardware Hacking Village, the Defcon Mystery Challenge, and for several years have created the Defcon badges and badge hacker challenges. I personally hold three Defcon Black Badges, and to date am the only Defcon contest creator to be awarded a black badge for the level of complexity in the creation of a contest. Currently my interests include hand bookbinding, contact juggling, playing the bass, linguistics (especially ancient and dead languages), number theory, reverse engineering, and bringing mystery back into the world by defeating 'the death of wonder and thinking' that came along with Google...