(Business Insider) — Two years ago, a Stanford business school student named Tristan Walker sent Foursquare cofounders Dennis Crowley and Naveen Selvaduraian email out of the blue, asking for a job.

Today, Tristan is Foursquare’s director of business development.  During his tenure, he’s built partnerships between Foursquare and huge brands such as Bravo, MTV, CNN, New York Times, NBA and Starbucks.

To celebrate the two year anniversary of the email, Tristan just published it on his personal blog, along with some notes:

(The Grio) — Tristan Walker has enabled a mobile social application, Foursquare, to completely transform location-based marketing since 2009. By generating major corporate and media sponsorships with Starbucks, MTV, New York Times and NBA, Walker and his business development team have brought attention to and incentivized use of the popular app, which has more than 3 million users.  Tristan Walker is making history … by getting users and corporations hooked on Foursquare, a mobile social networking app that encourages people to “check in” when they visit specific places, like restaurants, bars, shops or parks. Each time someone checks in, Foursquare alerts the user to nearby deals and lets them know if a Foursquare friend recently checked in near by. The deals are the handiwork of Walker’s business development team, and they’ve helped draw Foursquare’s more than 3 million users to the app.

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