I personal believe achow101 deserves to be in it. Since he is one of the most active in the Technicals sections.

No, way too early.

I believe and can say for sure, you should add -ck (Con Kolivas) to Bitcointalk expert list. Wikipedia link:

https://en.wikipedia.org/wiki/Con_Kolivas

Maybe. His Wikipedia page has nothing to do with the Badge that is being talked about here.

Mike Hearn
Mike Hearn
Former Google engineer, and a former contributor to Bitcoin Core

Mark Karpelès
MagicalTux
CEO of Mt. Gox

Both of these don't deserve a badge.