Your first question is pretty simple to find out. For future reference, the wiki lists all people credited to comic issues. So if you want to learn the editor of a certain title, just go to the most recent issue of that title and scroll down to the editor portion. Issue #43 (the most recent) listed Mike Cotton, Marquis Draper, and Alex R. Carr as editors.

The editors are usually given along with the story title a few pages into any comic.

Sorry to change the question, but what is the job of the Editor exactly?

@Leandro Raimundo I'm no sure in the comics business, but usually is someone who decides what's going to be published.

Planning ahead what material will be published in the comics after getting drafts and suggestions from writers, artists etc. Also choose whether a new idea or comic is worth publishing. In addition the higher ranked editors like the executive editors hire people and make deals.

Interesting, I'm sure I heard about it before but I forgot, thanks for the info