Watch Maria Shriver in Conversation with 31-Year-Old Billionaire Elizabeth Holmes

How does someone go from being a Stanford freshman dropout to a billionaire by 31?

Maria Shriver sat down for a conversation with America’s youngest female self-made billionaire, Theranos C.E.O. Elizabeth Holmes, 31, at the Vanity Fair New Establishment Summit in San Francisco on Tuesday, October 6, dressed in matching head-to-toe black outfits (Holmes’ “uniform” is a black turtleneck).

“I was calculating it, I think it was seven years after I started the company that I was legally able to rent a car…Of course you doubt yourself,” Holmes, who left Stanford at 19 to found her own company that offers simple, fast and low-cost blood tests from a single pinprick without the use of traditional needles, told Shriver of having the courage to try and change the world and combating self-doubt. “You doubt yourself all the time, and I think it’s a process of training yourself not to.”

Her techniques are able to lower the cost of a vitamin D blood test, for example, from $200 to $20. She talked with Shriver about disrupting the health care industry, the power to make an impact and serve through business and technology and devoting her life to this cause.

[Maria Shriver Tells Stephen Colbert She Considered Becoming a Nun]

“I’ve never done drugs, but it’s like cocaine. It’s incredibly addicting. You work so hard and you try so much,” Holmes said of admittedly having no social life outside of Theranos.

What the full conversation here:

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