Verlagsgruppe Georg von Holtzbrinck practically wrote the book on German publishing houses. The company has expanded beyond the borders of Germany to make its presence known worldwide. Its publications include fiction and non-fiction books by such authors as Salman Rushdie and Tom Wolfe, as well as works in the areas of education, science, business, and finance. The firn also has newspaper and Web holdings. Its US assets operate through its Holtzbrinck Publishers subsidiary, which does business as Macmillan US. The company also operates the London-based Macmillan Publishers Limited. The family of founder Georg von Holtzbrinck (including executive chairman Stefan von Holtzbrinck) owns the company.