I interviewed at Theranos a year ago, and found the employees to be smart and dedicated. However, the company was the most secretive I've interviewed at and the employees complained about being overworked. The fact the founder sold C++ compilers to Chinese universities when g++ is open-source sounded odd. But I still had hope in them even after they passed on me -- a Silicon Valley company actually making a differenc…
Except, in many ways, it isn't: 'disrupting' lab blood testing[1] is far from a public health priority --just because the founder is scared of blood and thinks phlebotomies are "barbaric" doesn't make it so.
[1] As opposed to point-of-care (viz, no-lab) testing, which is a genuine public health priority: i.e. portable glucose monitors, field tests for malaria, and so on.