From the 'it was only a matter of time' files:
I met MySQL founder Monty Widenius last year in Portland and he wasn't particularly thrilled with Sun at the time - he was however publicly hopeful that things would improve for him. Apparently they didn't. Widenuis has now officially resigned from Sun.
Widenuis has now setup an new company called Monty Program AB.
The article continues at http://blog.internetnews.com/skerner/2009/02/mysql-founder-monty-leaves-sun.html