Incorporating natural elements, complex fabrication techniques, and components rarely seen by the outside world, the DEF CON 27 Badge brings our community together through Technology's Promise. Join DEF CON's original electronic badge designer Joe Grand on a behind-the-scenes journey of this year's development process and the challenges, risks, and adventures he faced along the way. Joe Grand (Kingpin) Joe Grand, also known as Kingpin, is a computer engineer, hardware hacker, DEF CON badge designer (14, 15, 16, 17, 18, China 1, 27), teacher, advisor, runner, daddy, honorary doctor, TV host, member of legendary hacker group L0pht Heavy Industries, and the proprietor of Grand Idea Studio.