Grant has Returned!
Thanks JPS for alerting me to the fact in your latest post.
The post calls him SimGuruGrant, but as I remember it his sim guru name was SimGuruWalrus.
I think Grant will be the lead developer in the next expansion, which will be Weather.
This is just my hypothesis, so don't go around quoting me on this.
You Might Remember This Picture (one of many) from Months back...
It seems quite appropriate for this moment.