Jack McCann is a Senior Member of Technical Staff in the Tru64 UNIX Network Engineering group at Compaq Computer Corporation. He has been involved with IPv6 since 1995, as both a principal developer and as project leader of the IPv6 implementation on Tru64 UNIX. Jack participates in the IETF and has contributed to several IPv6 specifications. He holds a B.S. in Computer Science from the University of Lowell, and an M.S. in Computer Science from Boston University.