Mark Beveridge is a user on vis.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.
Repeatedly unable to access https://mastodon.cloud/@mbeveridge (since Apr17), so have created https://vis.social/@mbeveridge. And it seems a better fit :)
@mbeveridge ah great, well, welcome!