Trevithick graduated from MIT in electrical engineering and computer science in 1981 and was a research assistant at the MIT Media Lab in 1981 and 1982. In 1981, he co-founded Lightspeed Computers which was ultimately acquired by DuPont. He was CEO and co-founder in 1985 of Archetype, Inc. which became the Pageflex division of Bitstream Inc. in April 1997. He then served as Bitstream's vice president of marketing, and then president from August 1998.
Trevithick founded Azigo in 2000, and then worked at PanGenX.
He initiated and co-led what became the Eclipse Foundation's Higgins project. Supporting this effort, he co-founded SocialPhysics, the IdentityGang (now part of Identity Commons), Identity Schemas. In 2008 Trevithick founded the Information Card Foundation and served as its chair. In 2009 he co-founded and was a co-chair of the Kantara Initiative Universal Login User Experience Working Group. Trevithick is a member of the Kantara Leadership Council and a steward of Identity Commons.
Since 2003, Trevithick's worked on open source identity software for Internet security, and privacy for digital identities and social networks on the Internet. He co-authored a paper on "Identity and Resilience" that was one of the 100 papers cited as informing the 2009 US White House CyberPolicy Review.
Trevithick participated in the World Wide Web Consortium, PODI,[clarification needed] the Organization for the Advancement of Structured Information Standards (OASIS), and ITU-T standards efforts. He was granted the Seybold Industry Vision award in 1999.
- Bitstream (March 21, 2000). "Annual Report". Form 10-K. Retrieved November 10, 2013.
- "Leadership Team". Company web site promotional biographies. PanGenX. Retrieved November 10, 2013.
- "Higgins Team". Higgins web site. Retrieved November 10, 2013.
- ULX home page
- Paul Trevithick, William Coleman, John Clippinger and Kim Taipale (April 22, 2009). "Identity and Resilience". Retrieved November 10, 2013.
- White, G. Pawley, A Handbook of Cornish Surnames.