Born 1961. Having successfully completed his studies, H. Rengstorf participated in an exchange programme between the Karl-Duisberg Society and the Ohio State University in the USA.

After working for 15 months with William W. Amick, one of the most experienced golf course architects in the USA, Holger Rengstorf (HC 5) gained a wealth of knowledge and experience regarding the great diversity of creative possibilities for golf course design.

They jointly completed a number of projects, both in the USA and in Germany. Following his return to Germany in 1993, Holger Rengstorf founded the company "Rengstorf Golf Design" to enable him to apply the know-how and skills he had gained.