<strong>Joe Grand</strong>, also known as Kingpin, is an electrical engineer and hardware hacker. He invents things for his company, Grand Idea Studio (www.grandideastudio.com) and has had the honor of designing the DEF CON badge for the past four years. Back in the day, he was a member of L0pht Heavy Industries and, more recently, a co-host of <em>Prototype This!</em>, an engineering entertainment program on Discovery Channel. He's also the sole proprietor of Kingpin Empire (www.kingpinempire.com), a hacker-inspired project that gives back to the computer underground, technology, and health communities through charitable donations.

<strong>Joe Grand</strong>, also known as Kingpin, is an electrical engineer, hardware hacker, and longtime participant in the security community. He invents things for his company, Grand Idea Studio (www.grandideastudio.com) and has had the honor of designing the DEF CON badge for the past four years. Back in the day, he was a member of L0pht Heavy Industries and, more recently, a co-host of Prototype This, an engineering entertainment program on Discovery Channel. He's also the sole proprietor of Kingpin Empire (www.kingpinempire.com), a hacker-inspired project that gives back to the computer underground, technology, and health communities through charitable donations.

<strong>Joe Grand</strong>, also known as Kingpin, is an electrical engineer and hardware hacker. He invents things for his company, Grand Idea Studio (www.grandideastudio.com) and has had the honor of designing the DEF CON badge for the past four years. Back in the day, he was a member of L0pht Heavy Industries and, more recently, a co-host of <em>Prototype This!</em>, an engineering entertainment program on Discovery Channel. He's also the sole proprietor of Kingpin Empire (www.kingpinempire.com), a hacker-inspired project that gives back to the computer underground, technology, and health communities through charitable donations.