Joseph Lorenzo Hall is the Chief Technologist at the Center for Democracy & Technology, a Washington, DC-based non-profit organization dedicated to ensuring the internet remains free, open and innovative.

Hall's work focuses on the nexus between technology, law, and policy, working carefully to ensure that technology and technical considerations are appropriately embedded into legal and policy environments. Supporting work across all of CDT's programmatic areas, Hall provides technical analyses and perspective to CDT's programs, and interfaces externally with CDT supporters, stakeholders, academics, and technologists.

Prior to joining CDT in 2012, Hall was a postdoctoral research fellow with Helen Nissenbaum at New York University, Ed Felten at Princeton University and Deirdre Mulligan at University of California, Berkeley.

As Founder and CEO, StJohn oversees the commercial and technical direction for citizenme. His vision was to create a service for everyone that lets us take back control of our digital identities and assert our right to self. He works with our team, partners, suppliers, advocates, the media and the general public to ensure that the citizenme vision realises its potential to positively impact the lives of every single digital citizen.

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StJohn is a successful serial Internet entrepreneur, digital visionary, mobile evangelist, and documentary producer. In late 2010 he sold his mobile multimedia platform company, 3ple-media, to a US private equity firm. StJohn subsequently advised on the acquisition of the NSN Wimax business unit by SkyView. In 1995 he was instrumental in helping to put Lloyd’s List, the world’s oldest daily newspaper, online. Later, his team at Agency.com developed the first British Airways booking system and global Internet presence.