Daniel A. Steffen is a Senior Core OS Software Engineer at Apple, where they have worked since 2017, specializing in low- and high-level iOS and macOS software technologies. With prior roles at Apple dating back to 2008, as well as experience as a Tcl Consultant and Software Engineer in various other organizations, they possess extensive knowledge of synchronization primitives and atomic operations, among other specialties. Daniel holds a Master's degree from EPFL and has contributed significantly to Macintosh open-source software throughout their career.
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