Dr. Allon is a Co-Founder of Urban Compass and serves as Executive Chairman. Prior to Urban Compass, he served as Director of Engineering at Twitter's NYC office, after selling his prior company, Julpan, to Twitter in 2011. Previously, Google acquired his patented thesis work called Orion. During his time at Google, he led a search quality team that integrated the Orion technology and algorithms with the Google search engine. He earned his PhD in computer science at University of New South Wales in Sydney, Australia. He is an Angel Investor.