The ESB Business School (formerly ESB Reutlingen) is the business school of Reutlingen University in Baden-Württemberg, Germany. It was founded in 1979; since 2008 the school is responsible for all business- and management-related degree programmes of the university - in addition to the former ESB programmes it also includes the former School of International Business (SIB) and Production Management (PM). The school offers 20 undergraduate and graduate as well as double degree programs together with a number of European and non-European business schools. The ESB Business School ranks among the top business schools in Germany. In addition to its very international educational concept, ESB mandates a work-study phase in the form of semester-long business internships. Bachelor of Science in International Management and a second bachelor's degree of a partner university within the International Partnership of Business Schools in 4 years. Students spend spend two years at ESB and two years at an international partner university, receiving the degrees of both countries (the German degree and its foreign equivalent).