Guy Harris worked at Sun from 1985 - 1988, then on NFS at Auspex from 1988 - 1994, then he worked at NetApp from 1994 - 2003. After that he worked at Apple, now he's been hacking Wireshark for more than 23 years, since 1998!
https://ask.wireshark.org/users/12/guy-harris/
https://www.wireshark.org/docs/wsug_html_chunked/ChIntroHist...