XING SE engages in the operation of networking websites. It seeks to provide its members with the opportunity to establish new business contacts, maintain existing contacts, extend their operations to new markets, and exchanging opinion and information. It operates through the following segments: B2C, B2B E-Recruiting, B2B Advertising & Events, and kununu International. The B2C segment includes mobile applications and application programming interface. The B2B E-Recruiting segment provides active and passive recruiting; and employer branding products and services. The B2B Advertising & Events segment sells advertising space and offers event management works. The kununu International segment offers technical infrastructure and services to the joint venture between kununu and US-based Monster, Worldwide Inc. The company was founded by Lars Hinrichs on August 12, 2003 and is headquartered in Hamburg, Germany.