Nathan Keltner is a Senior Research Consultant at Accuvant LABS, performing custom-scoped research engagements for clients in industrial, healthcare, financial, and similar industries heavily utilizing embedded systems. Prior to Accuvant, he was focused on breaking into (and out of) corporate networks for a living, with an increasing focus on hardware exploitation that evolved into his current position. He's previously spoken on smart grid and post exploitation topics at various security conferences over the years, including black hat, defcon, and smaller regional conferences.

Widely held to be the finest Nathan Keltner of his generation, other notable accomplishments include once lifting a Volkswagen Jetta above his head for over thirty seconds, while reciting a passage from Finnegan's Wake. Though born without the capacity to see the color amber, he nonetheless developed a keen interest in technology at a young age, compensating for his disability by learning to identify the position of his PC's "turbo" button by feel alone.