The line-up makes the point that even though the CIA is an intelligence agency whose central mission has been to recruit people to provide secrets, technology has always had a crucial role.
A major focus of Mr Hallman's effort is to use data to provide insights into future crises - developing what has been called "anticipatory intelligence".
This means looking for ways in which technology can provide early warning of, say, unrest in a country.
These are often the kind of events not susceptible to the traditional intelligence gathering spies normally carry out - the emergence of protest groups in the Middle East was not a secret locked in a safe or in the mind of a leader that could be stolen or enticed out.
The CIA has 10 mission centres where analysts and operators work together on either parts of the world or issues with centres for Africa, the Near East, Counterterrorism, and Weapons and Counter-proliferation .
Edward Snowden explains why he became a whistle-blower Video courtesy of the Guardian, Glenn Greenwald and Laura Poitras
A business partner of Twitter recently said it would no longer provide services to the US intelligence community.