Currently, this service is being maintained by Sophie (sophie), who is contactable by email at firstname.lastname@example.org. She can also be found on the Dreamwidth IRC channel under the name "Sophira".
As a Perl coder and systems administrator, Sophie used to maintain a similar, privately-run service for Goathacks (ready-to-go LiveJournal installs) after the original Goathack service died. She's really pumped about Dreamwidth, and wants to do her part to help Dreamwidth become really good.
This server is graciously provided by Dreamwidth Studios, LLC for the use of the Dreamhack service. Thank you!
Credit must also be given to Afuna for running the first Dreamhack service. Thanks, Afuna!