Reinhard Mohn was a German billionaire businessman and philanthropist. Under his leadership, Bertelsmann, once a medium-sized printing and publishing house, established in 1835, developed into a global media conglomerate. In 1977, he founded the non-profit Bertelsmann Stiftung, which is today one of the largest foundations in Germany, with worldwide reach.

The Bertelsmann SE & Co. KGaA, commonly known as Bertelsmann, is a German private multinational conglomerate corporation based in Gütersloh, North Rhine-Westphalia, Germany. It is one of the world's largest media conglomerates and is also active in the service sector and education.