Arun Joseph Martin, one of the founders of the Service Design Book Club created a list of " influential service design leaders active on LinkedIn" that looks like this:

I've personally added the following people to the list through a comment:

Read the comments in Arun's post to see even more recommendations of people to follow who are both very knowledgeable about Service Design and who share that knowledge openly. Here are the names that have been cited until the 23d of December 2023: