Thomas Dayman: Dayman Dynamics
Provides hot Field Service Mobile and JavaScript tips.
https://www.daymandynamics.com/

Antti Pajunen: Day to Day Dynamics 365
Project Service focused but also some great Field Service enhancement tips (i.e. with Flow)
http://daytodaydynamics365.com

Karuna Karan
Great Field Service topics
https://kkcrmconsultant.wordpress.com

Sara Lagerquist
Universal Resource Scheduling 4 life!!!
https://saralagerquist.com

Dian Taylor
Field Service and Project Service tips!
https://d365goddess.com/