Tom Yu has been working on the MIT Kerberos software since 1993, starting as a student, then as a full-time employee after graduating.
- Development team leader
- Developer (core code and Unix platform)
- Release Engineer
- Software Security Contact
- Co-authored the current Kerberos protocol specification (RFC 4120)
- Co-chair of IETF Working Groups KITTEN and SASL
- Contributor to IETF Kerberos Working Group