A) Introduction (big picture/motivation/related work): You should remain in academia where you will enjoy writing grant proposals, or be a senior exec (not hands-on) in industry.
B) Design/Implementation: Academia is not for you. Join a cool startup or Google/Facebook/... (or of course start your own venture)
C) Experimental Evaluation/Results: Join industry (tech or finance) in a quantitative role.
YMMV. Also, this is not applicable to PhDs in Theoretical CS or in other Sciences.