Alumni of the old Kyiv-Mohyla Academy have played an important role in Ukrainian professional life. Many hetmans of Zaporozhian Cossacks, political leaders of Ukraine in the 17th and 18th centuries, were educated here. These include Ivan Mazepa, Pylyp Orlyk, Pavlo Polubotok, Ivan Skoropadsky and Ivan Samoylovych. The Grand Chancellor of Russia Alexander Bezborodko was of Ukrainian origin and an alumnus. The Kyiv-Mohyla Academy was a religious school of note in the Orthodox world and archbishops of the Russian Empire such as Stephen Yavorsky and Feofan Prokopovich as well as the metropolitan bishop of Rostov Dimitry of Rostov were all alumni.