CHAPPAQUA, N.Y. - Horace Greeley High School graduate Jonathan Bittner, 27, has been named to Forbes' "30 Under 30" list for real estate .
Bittner is the co-founder of Splitwise , a website and smartphone application that calculates the cost of rent between roommates, as well as other shared living expenses.
After graduating from Greeley in 2003, Bittner attended Yale University until 2007 and is currently astrophysics PhD candidate at Harvard Universtiy. He created his website in February 2011.
According to a release, Splitwise already has over 10,000 registered users and is known for its fairness calculators, which give impartial sharing advice to roommates and friends based on survey analysis. They include a rent-sharing calculator, a used-furniture valuation tool, and a calculator for the appropriate contribution when staying as a guest.
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