IMO u can choose

31 deathwing
a great developer and witness with a good api service

39 holger80
great witness and made a lot for the hive community for example the beem libraby for dApps

47 roomservice
a great german guy who runs the most easiest way to onboard new member to hive called hiveonboard.com

69 primersion
a friend and good developer running a hive and hive-engine witness node

some ideas from me if you have some votes left.
greetings