Biographies...
Shoe Dog (Phil Knight of Nike)
A Truck Full of Money (Paul English of Kayak)
Wolf: The Lives of Jack London (outstanding)

Medical...
Bellevue (history of medicine, emergency medicine, public health, anesthesia all told through the history of Bellevue hospital in NYC)

Cooking...
Medium Raw (Bourdain)
Yes Chef

Misc...
Debriefing the President (Interrogation of Sadam Hussein)
Going Clear (Scientology)
Under the Banner of Heaven (LDS)
Surely You're Joking Mr Feynman & Who Cares What Other People Think
The Billion Dollar Spy
The Drunkard's Walk