Business top management in Germany comes from the top 2-4% of Germany's population in education, wealth and upbringing in 2025. Sociologist Michael Hartmann, a professor at Darmstadt University of Technology, has found that for the last 100 years the top managers and boards of 400 largest German companies are made up mostly of sons of business executives and people with a advanced higher education background, that this has not changed much over that period.