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    Avie Tevanian

    American software engineer (born 1961)

    Avadis Tevanian

    Born

    Avadis Tevanian


    1961 (age 63–64)
    NationalityAmerican
    EducationPhD, MS, BA
    Alma materCarnegie Mellon University
    University of Rochester
    Employers
    Known forComputer scientist and coarchitect of Mach kernel, NeXTSTEP, and macOS

    Avadis "Avie" Tevanian (born 1961) is an Americansoftware engineer.

    At Carnegie Mellon University, he was a principal designer and engineer of the Mach operating system (also known as the Mach Kernel). He used that work at NeXT Inc. as the foundation of the NeXTSTEP operating system.

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    • He was senior vice president of software engineering at Apple from 1997 to 2003, and then chief software technology officer from 2003 to 2006.[1] There, he redesigned NeXTSTEP to become macOS. Apple's macOS and iOS both incorporate the Mach Kernel, and iPadOS, watchOS, and tvOS are all derived from iOS.

    He was a longtime friend of S