Greg Kroah-Hartman is a major Linux kernel developer. As of April 2013 he is the Linux kernel maintainer for the -stable branch, the staging subsystem, USB, driver core, debugfs, kref, kobject, and the sysfs kernel subsystems, Userspace I/O , and TTY layer. He also created linux-hotplug, the udev project, and the Linux Driver Project. He worked for Novell in the SUSE Labs division and, as of 1 February 2012, works at the Linux Foundation.He is a co-author of Linux Device Drivers and author of Linux Kernel in a Nutshell, and used to be a contributing editor for Linux Journal. He also contributes articles to LWN.net, the computing news site.
Kroah-Hartman frequently helps in the documentation of the kernel and driver development through talks and tutorials. In 2006, he released a CD image of material to introduce a programmer to working on Linux device driver development.Kroah-Hartman has been a strong advocate of a stable kernel–user space API .He also initiated the development of openSUSE Tumbleweed, the bleeding-edge rolling release model edition of openSUSE.
Comment posted on Reddit (1 December 2014) https://www.reddit.com/r/linux/comments/2ny1lz/im_greg_kroahhartman_linux_kernel_developer_ama/cmhysmb
