Aeron Buchanan said to Bob Summerwill in a personal email on 16th August 2018:

“Roland Wilder was brought on by Sarah O’Neill, who was the interior designer and renovation coordinator for the ethdev office. They were fantastic, making it happen on a small budget and on an accelerated timescale.”

References

This page is referenced from the following articles and videos:

• Thanked by Gav in the Ethereum ÐΞVcon-0 - Gavin: Welcome! Our mission: ÐApps session which kicked off DEVCON0