After college, he joined the United States Air Force and studied Korean at the Defense Language Institute in Monterey, California, a Department of Defense educational and research institution which provides linguistic and cultural instruction to the DoD and other Federal Agencies.

[2][10] Dr. Venable has serve in several intelligence roles with the National Security Agency, including Computer Network Exploitation, Cyberwarfare, Information Operations, and Digital Network Intelligence in support of global anti-terrorism operations.

Venable went on to serve as Vice President and CISO of Comcast Business for eight years.

Venable regularly speaks at industry and government conferences including The G20 Summit, the World Economic Forum summit in Davos, NATO forums, Black Hat Briefings and European security forums including the Munich Security Conference and the Warsaw Security Forum; serves as a cyber security expert with think tanks and policy research institutes; serves as a board member of Alliance for Innovation and Infrastructure; and is a cybersecurity expert, speaker, and public diplomat with the United States Department of State.

[13][14][15][16][17][18][19] Venable frequently contributes to and appears in Forbes, BBC, Harvard Business Review, Bloomberg Businessweek, InformationWeek, IDG Connect, and other media outlets in matters pertaining to cyber security, cyberwarfare, and international security.