Mimi Pham and Zappos.com CEO Tony Hsieh attend the Vanity Fair New Establishment Summit Cocktai …

Mimi Pham and Zappos.com CEO Tony Hsieh attend the Vanity Fair New Establishment Summit Cocktai ...

Mimi Pham and Zappos.com CEO Tony Hsieh attend the Vanity Fair New Establishment Summit Cocktail Party on Oct. 8, 2014, in San Francisco. (Photo by Michael Kovac/Getty Images for Vanity Fair)