Dan Geer is the Chief Information Security Officer at In-Q-Tel, a not-for-profit investment firm that works to invest in technology that supports the missions of the CIA and the broader U.S. intelligence community. Previously he was Chief Scientist at Digital Guardian (formerly Verdasys). Geer was a key contributor to the development of the X Window System as well as the Kerberos authentication protocol while a member of the Athena Project at MIT in the 1980s. Shortly after, Geer created the first information security consulting firm on Wall Street in 1992, followed by organizing one of the first academic conferences on electronic commerce in 1995. Geer is also the past president of the USENIX Association where he earned a Lifetime Achievement Award.
One could argue that cybersecurity is the most intellectually demanding profession on the planet. The rate of change is so great that no challenge is ever solved and no problem ever resolved completely.