I never leave glassdoor reviews but this was a particularly terrible experience. I met a lot of people and most were extremely unprofessional and rude, and will ghost you. They will run you through more hoops than Google, as if it would be such a prize to work for them, as if everyone working there is a perfect genius. (I'm rating the interview as very difficult just because of the sheer time investment.) Honestly the whole industry reeks of Theranos. I question their ethics. Also they are all miserable and overworked.