In 1989, Heiner Thorborg started his own executive search boutique, in 2008 a second office was opened in Zurich. Heiner Thorborg is also the founder of GenerationCEO, a well-known female network for top female executives in German-speaking countries. 

During his ten years with Egon Zehnder (1979-1989) he played an important role as Managing Partner of the Frankfurt Office and major contributor to their impressive growth.