Question is as topic states as to who besides Nery and Malawiglenn and Stupid_Dragon have leveling build guides?
Maya has one for her pet builds, but I think that’s about it. Most of the builds in the compendiums are endgames ones and don’t include levelling guides.
Contragor has a couple.
Malawiglenn was great at doing these beginners builds, he’s teacher in real life and great at teaching players to understand Grim Dawn but sadly he isn’t active anymore.
I personally play mostly end game stuff, don’t have the inspiration to start leveling build and write a guide but will probably do more in future. I have plans for Witch Hunter and Sorceress.
Stupid Dragon is also very good at making beginners guides, very well written and constructed topics. His latest guide was last month, I think.
Maya is pet specialist, welcome to the carnival!
There are also other builders that have dabble in beginners guide writing and have usually one attempt like Sir Spanksalot Reaper guide for example.