Definitely Taylor Lorenz. She’s almost always on trending, but she’s a journalist always posting about twitter and musk’s controversies, very interesting content.
We Distribute is kind of like a publication about the fediverse. Great content.
Linus Torvalds. This one’s pretty obvious.
But I’m still looking too! If you’re into tech, you will almost definitely find something for you on mastodon, especially free software. Good luck!