Guido works at Dropbox. I am sure he is advising - and I bet, he has seen pretty much all the previous attempts closely to let them make any obvious mistakes.
Guido worked at Google during Unladen Swallow, he was not involved. From the comments of Pyston's announcements, here's the extent of GvR's involvement:
Guido's advice has been extremely helpful, but so far we haven't been able to get any code from him :/
Comments
Guido works at Dropbox. I am sure he is advising - and I bet, he has seen pretty much all the previous attempts closely to let them make any obvious mistakes.
Guido worked at Google during Unladen Swallow, he was not involved. From the comments of Pyston's announcements, here's the extent of GvR's involvement: