Went to the Wayback machine and found this in a captured FAQ:
Does Hero Restoration have insurance?
Of course, we are insured through Collectible Insurance Services. Your comics are covered while they are here, and in transit to their destination. Upon request, we can provide a rider for high valued books that will be in our possession. Because we take great pride in the protection of your books, we have not had one incident providing services since opening to the public in 2011.
But I think a few folks mentioned him posting about working on comics before then.
Edit: Just found an older thread from 2009 where he was known as MasterCPU (the name makes sense now knowing he had a computer business) and folks appear to be critiquing his early attempts at pressing/restoration:
Edit 2: April 2009 post where he introduces himself as a restorer (quarter of the way down from the top):
Posted April 25, 2009
Hi, I am a comic book restorer and new here at the forums so I wanted to say Hi and show you a little before after of dry cleaning to get started.