Justin Rosenstein

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Justin Rosenstein
Justin Rosenstein headshot
Born Justin Michael Rosenstein
(1983-05-13) May 13, 1983 (age 31)
Alameda County, California, U.S.[1]
Alma mater Stanford University
Occupation Software programmer, entrepreneur
Known for Co-founder of Asana

Justin Michael Rosenstein (born May 13, 1983) is an American software programmer and entrepreneur. He is co-founder (along with Facebook co-founder Dustin Moskovitz) and head of product at the collaboration software company Asana.[2]

Early life[edit]

Rosenstein grew up in San Francisco Bay Area and attended The College Preparatory School in Oakland, CA. He was a successful high school Lincoln–Douglas debater. He matriculated to Stanford University, and graduated with a Bachelor of Science degree in mathematics at age 20.[3] As an undergraduate, he served as a member of the Mayfield Fellows Program. [4]


Rosenstein dropped out of a graduate program in computer science at Stanford University in 2004 to join Google as a software engineer.[5] At Google, Rosenstein also worked as product manager for Google Page Creator.[6] Page Creator was later restricted in sign ups to just 3 million users as new users were asked to use a new webpage publishing service by Google called Google Sites instead.[7] Finally, to focus on Google Sites, all existing content on Page Creator was transferred to Google Sites in 2009.[8] In 2006, he was working on a project code named Platypus.[9]

In May 2007, he left Google for a lead engineer position at Facebook working closely with Mark Zuckerberg and Dustin Moskovitz. He was technical lead in charge of Facebook's Pages, Facebook's "Like" button, and was responsible for Facebook Beacon, the site's controversial advertising program that was terminated in a 2009 class-action lawsuit.[6] He was compensated with 4,863,335 Class B shares ($341 million at $70/share), which he deposited into a trust.[10]

In October 2008 Rosenstein left Facebook to co-found the collaborative software company Asana along with Dustin Moskovitz. Asana aims to facilitate interaction among individuals working in a team environment.[11]


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