Justin Rosenstein is the co-creator of the collaborative software company Asana along with Facebook

Facebook

Facebook is a social networking service and website launched in February 2004, operated and privately owned by Facebook, Inc. , Facebook has more than 800 million active users. Users must register before using the site, after which they may create a personal profile, add other users as...

 co-founder Dustin Moskovitz

Dustin Moskovitz

Dustin Moskovitz is an American internet entrepreneur who co-founded the social networking website Facebook along with Mark Zuckerberg, Eduardo Saverin and Chris Hughes. Moskovitz owns a 6% share of Facebook. He is also a co-founder and the CEO of Asana. Moskovitz is Jewish...

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Personal life

Rosenstein grew up in San Francisco Bay Area

San Francisco Bay Area

The San Francisco Bay Area, commonly known as the Bay Area, is a populated region that surrounds the San Francisco and San Pablo estuaries in Northern California. The region encompasses metropolitan areas of San Francisco, Oakland, and San Jose, along with smaller urban and rural areas...

 and attended The College Preparatory School

The College Preparatory School

The school's strict academics and small size have translated into an admissions rate lower than many American colleges and universities. In turn many students from College Prep go on to study at America's top universities, and approximately one-third of each graduating class matriculates into Ivy...

 in Oakland, CA. He was a successful high school Lincoln-Douglas

Lincoln-Douglas debate

Lincoln–Douglas debate is sometimes also called values debate because it traditionally places a heavy emphasis on logic, ethical values, and philosophy...

 debate

Debate

Debate or debating is a method of interactive and representational argument. Debate is a broader form of argument than logical argument, which only examines consistency from axiom, and factual argument, which only examines what is or isn't the case or rhetoric which is a technique of persuasion...

r. He pursued an undergraduate degree in mathematics

Mathematics

Mathematics is the study of quantity, space, structure, and change. Mathematicians seek out patterns and formulate new conjectures. Mathematicians resolve the truth or falsity of conjectures by mathematical proofs, which are arguments sufficient to convince other mathematicians of their validity...

 at Stanford University

Stanford University

The Leland Stanford Junior University, commonly referred to as Stanford University or Stanford, is a private research university on an campus located near Palo Alto, California. It is situated in the northwestern Santa Clara Valley on the San Francisco Peninsula, approximately northwest of San...

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After Stanford

Rosenstein dropped out of a graduate program in computer science

Computer science

Computer science or computing science is the study of the theoretical foundations of information and computation and of practical techniques for their implementation and application in computer systems...

 at Stanford University

Stanford University

The Leland Stanford Junior University, commonly referred to as Stanford University or Stanford, is a private research university on an campus located near Palo Alto, California. It is situated in the northwestern Santa Clara Valley on the San Francisco Peninsula, approximately northwest of San...

 in 2004 to join Google

Google

Google Inc. is an American multinational public corporation invested in Internet search, cloud computing, and advertising technologies. Google hosts and develops a number of Internet-based services and products, and generates profit primarily from advertising through its AdWords program...

 as a software engineer

Software engineer

A software engineer is an engineer who applies the principles of software engineering to the design, development, testing, and evaluation of the software and systems that make computers or anything containing software, such as computer chips, work.- Overview :...

. At Google, Rosenstein also worked as product manager

Product Manager

A product manager investigates, selects, and develops products for an organization, performing the activities of product management.A product manager considers numerous factors such as intended demographic, the products offered by the competition, and how well the product fits with the company's...

 for Google Page Creator

Google Page Creator

Google Page Creator was a website creation and hosting service by Google. It was a tool for basic website design, requiring no HTML knowledge. During development, it was codenamed Trogdor, a reference to the popular Homestar Runner website...

. In 2007 he left Google for a lead engineer position at Facebook working closely with Mark Zuckerberg

Mark Zuckerberg

Mark Elliot Zuckerberg is an American computer programmer and Internet entrepreneur. He is best known for co-creating the social networking site Facebook, of which he is chief executive and president...

 and Dustin Moskovitz

Dustin Moskovitz

Dustin Moskovitz is an American internet entrepreneur who co-founded the social networking website Facebook along with Mark Zuckerberg, Eduardo Saverin and Chris Hughes. Moskovitz owns a 6% share of Facebook. He is also a co-founder and the CEO of Asana. Moskovitz is Jewish...

. At Facebook, he was technical lead in charge of Facebook's Pages, Facebook's "Like" button, and was responsible for Facebook Beacon

Facebook Beacon

Beacon was a part of Facebook's advertisement system that sent data from external websites to Facebook, for the purpose of allowing targeted advertisements and allowing users to share their activities with their friends. Certain activities on partner sites were published to a user's News Feed....

, the site's controversial advertising program that was terminated in a 2009 class-action lawsuit.