German philanthropist and publisher Monika Schoeller has an estimated net worth of $1.05 billion as of March 2013 according to Forbes. German publishing house,Holtzbrinck Group, was experiencing an extremely tough time, which led to a significant decline in Schoeller’s net worth. Holtzbrinck Group possesses publishing companies likeStraus & Giroux,Henry Holt,St. Martin’s Press and Farrar. In the past year, Monika Schoeller’s net worth declined by $1 billion because of a 40% decline onHoltzbrinck Group’s net worth. On the other hand, the group’s revenue fell by 4%. She now serves as the head ofS. Fischer Verlag, a novel publishing company which was founded in 1886.