Jean-Karim Bockstael is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
If you don't, you can sign up here.
Seriously marketing people: stop doing this. We all know this kind of crap is automated and sent to hundreds of thousands of irrelevant mailboxes. Stop lying. Try and built something that's worth paying for.