Norbert Steiner was born in Siegen in 1954. After studying law in Heidelberg and a traineeship within the district of the Higher Regional Court in Karlsruhe, in 1983, he began his career in the tax department of BASF AG, whose sub-department of customs and excise duties he headed from 1988 onwards. In 1993 he became head of the legal affairs, tax and insurance department of K+S Aktiengesellschaft. In May 2000, Norbert Steiner became a member of the Board of Executive Directors, in January 2006, Deputy Chairman and on 1 July 2007, Chairman of the Board of Executive Directors of K+S Aktiengesellschaft. He has responsibility for the Salt business segment as well as Corporate Development and Controlling, Legal Affairs/Compliance, Investor Relations, Communications and International HR Coordination.
