it all depends on whether or not Ben Rome wants to go full staff from his freelancer status, as the assistant line developer is typically first in line to at least be offered the Job.
Ken Horner (may want the job) and Jason Schmetzer (prolly won't want the job) would be the next most likely internal candidates. after them it is a toss up for external candidates.
I would love to throw my own hat in the ring, but my background is in business and accounting, I have never developed a game system in my life, all I have is passion as a fan.