Born in Guatemala City, raised in Rio de Janeiro and Hamburg, Lennart Poettering now works as a software engineer in the Red Hat desktop team. Among other Free Software projects Lennart hacks and maintains the Avahi Zeroconf Implementation and the PulseAudio sound server, which are now an integral part of all major Linux distributions. His interests in Free Software range from Linux kernel hacking to low-level systems programming and GNOME desktop development.