GISMA Business School, (German International Graduate School of Management and Administration) is a privately owned business school located in Berlin and HannoverGermany. It was launched in 1999 as a joint initiative by the state of Lower Saxony and private-sector enterprises. In financial difficulty after a partnership with Krannert School of Management ended, GISMA was rescued from bankruptcy when it was bought by the for-profit education company Global University Systems in 2013.

GISMA is ranked in top 30 universities of Germany. The programmes offered here are high ranked and has AMBA accreditation since 2011.