Geez, I remember Michael.
He was only in here for about 2 months.
Apart from Jens suggestion of an email through IIS I wouldn't have a clue on how to reach him apart from maybe white pages.
Look for any M.Colbert's in Sydney.
EDIT: Here you go Gary.
It's obvious which ones aren't in Sydney:
http://www.whitepages.com.au/wp/resS...ew+South+Wales