John Linwood Griffin works in industry (research fellow at TeleCommunication Systems, with a focus on computer and communications security) and academia (assistant research professor at Johns Hopkins University, with a focus on computer storage systems). Since finishing graduate school at Carnegie Mellon in 2004, he has also worked in security research and development groups at IBM Research, at BAE Systems, and at a startup company he founded. Outside of work, he enjoys cooking, singing baritone in semiprofessional classical choirs, and, most recently, taking lessons towards a private pilot certificate.