Henning Westerholt is an Open Source developer and a Senior IT Operations and Software Development Manager. During his career he was responsible for different products at IT Service Providers and also for the internal IT of several large manufacturing companies in Germany. He provides consulting services for Kamailio and VoIP services in the performance, reliability and security areas. Henning is one of the core developers of the Kamailio® Open Source project since 2007 and member of the Kamailio Management team.