The most recent number of LCP's I've seen is 21 and it was announced just few days ago1.
LEGO has a page with names and some details on 15 of them only:
Prince (Shenghui) Jiang
First of all, there needs to be an opening for one, which typically means LEGO feels they need more Certified Professionals in a particular region.
The most-recent opening was last November and was presumably filled in December. For this most-recent one, LEGO had a posting on their website where people could apply, and they made a small announcement to fan ...