Paul Byers Trevithick (born 1959) is currently a client partner and senior director at EPAM, advisor to early-stage startups, technologist, privacy advocate, and entrepreneur.

[3] Trevithick led the development of the Experimental Laboratory for Investigating Collaboration, Information-sharing, and Trust (ELICIT) [4] web-based platform under contract to the United States Department of Defense (OASD/NII) Command and Control Research Program (CCRP).

In 2009 he co-founded and was a co-chair of the Kantara Initiative Universal Login User Experience Working Group.

[12] Trevithick is a past member of the Kantara Leadership Council and a steward of Identity Commons.

[15] In 2021 he founded The Mee Foundation,[16] a nonprofit dedicated to the development of a human-centered user experience for the internet.