In the same spirit as this we have a “donut buddy” system in slack that randomly pairs you with someone from another org. Some user entered topics are listed such as entertainment and cuisine to kickstart conversations. It’s been a great way to humanize things. I’d love to do this in person.

Minor expansion: The bot handles the calendar coordination, too. Meets are 30 minutes and finish with a screenshot posted to the channel and end of the year there's a collage that's created. I'm fond of the stats.