page_title: Jay Freeman
section_title: Education and early work
hierarchical_section_title: Jay Freeman / Education and early work
caption_attribution_description: English: A photo of several people involved in the iOS jailbreaking community, including saurik, p0sixninja, and geohot, who have contributed to building jailbreaking tools such as AppSnapp, greenpois0n, Absinthe, purplera1n, blackra1n, limera1n, and others. Taken during Def Con 2011. Note about personality rights for this photo for limited uses: this photo (and nearly identical photos taken at the same time by the same person with different phones) has already been publicly published, including on the Twitter accounts of two of the people in the photo, and on blog posts like this one.
context_page_description: Jay Ryan Freeman is an American businessman and software engineer. He is known for creating the Cydia software application and related software for jailbroken iOS—a modified version of Apple's iOS that allows for the installation and customization of software outside of the regulation imposed by the App Store system.
context_section_description: Freeman studied and graduated with a degree in computer science from the College of Creative Studies at the University of California, Santa Barbara. In 2009, he was a doctoral student in computer science at UCSB.
  He built Anakrino, a decompiler for .NET available in 2002. He co-authored a paper published in 2005 about a "Java runtime event specification and monitoring library." He has worked with Brian Fox on multiple freelance projects.
caption: Saurik at Defcon 2011
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