Tim is a dude.

Alexei dmitriev tim wip05a
Alexei dmitriev tim wip05b
Alexei dmitriev tim wip05c
Alexei dmitriev tim wip05d

Inspired by this: https://sketchfab.com/models/1862e5f23e294d5ab713647770afab3b
and this: http://magazine.artstation.com/2016/02/ekaterina-pushkarova-creating-ed-harris-likeness-zbrush/
All in Zbrush, including render and post.

Polycount thread if you want to give some feedback: http://polycount.com/discussion/166582/how-do-you-create-dem-polygon-humans-a-realism-developpement-thread?new=1