The most famous example is probably Gitlab (https://handbook.gitlab.com/handbook/company/culture/all-remote/asynchronous/)
Since their IPO the work environment seems to have deteriorated though (https://old.reddit.com/r/devops/comments/152o4bb/what_the_hell_is_going_on_at_gitlab/)
Curious to see if other people have any experience of real asynchronous work culture?
Honestly, that sounds like a horrible idea.
Yes, excessive meetings suck, but there are so many problems that are 20 emails over a period of 4 days, or a 5min call.
Often neither the 5 minute call nor the 20 emails are needed but used because no prioritization is being made for the time or work of others because there’s not enough friction to force the prioritization. Not everything that is urgent is important and not everything that is important should interfere with urgent matters. The balance is difficult in any arrangement.
Also, you can send an email to schedule a call.
The last job I had didn’t have a fully asynchronous culture, but did treat December and August as asynchronous months because it let people have more flexibility with time off.