Tristan Walker, 30, has worked at startups like Foursquare and Twitter -- but now he’s paving a new route in Silicon Valley. In 2013, he launched Walker and Company Brands, a health and beauty ...

After being one of the star original employees at Foursquare, Tristan Walker became an Entrepreneur In Residence at Andreessen Horowitz. There, he had the opportunity to imagine and build his own ...

After stints at Twitter and Foursquare, designer-marketer Tristan Walker was invited by revered tech investor Ben Horowitz to become an Andreessen Horowitz entrepreneur in residence. While there ...