How to sync the members between a Slack Channel and a Google Group

I am the lead of a company ESG group, there is a Slack Channel we use for casual chitchatting and Google Group used for event invite and formal email announcement. People come and go in the slack channel and invite their coworkers in, but the Google group never receive any similar update. Overtime the discrepancy is so large that the Slack channel has twice the members than the Google Group.

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The challenge I have been facing was how to keep the membership between Slack Channel and Google Group in sync so the messages goes to the same audience base regardless of the communication channel.

A Easy Way:

Step 1. Open the Member settings — Copy member email address

Step 2: Open Google Group

• Find the corresponding Google Group that needs to align with the Slack Channel
• Go to “Members” page, and click on “Add Members”
• Paste in the emails you just copied from the Slack to the “Group Members” field
• Then send out the invite.

That is, don’t forget to clap if that helps!

However, this method is great to use for one-time operation, but has a small constraint at on going basis : Google Group has a limit on the max number of new members you can add at a time. As your organization grows larger and larger, how can you keep two groups in sync? My next article will talk about how to track the change of membership in a spreadsheet through a Slack workflow, so that will streamline your process by only tracking the new members need to be added to sync.