English: Serbian 3 times Minister of Finance, 2 times Minister of Science and Technology, mr Božidar Đelić, in a Physics Lab 1, in Mathematical Gymnasium Belgrade.

Mr. Đelić returned to Serbia, from France where he grew up, in 2000. He entered the Institut d'études politiques de Paris and later École des Hautes Études Commerciales in Paris where he graduated as a top student. In 1987 he received a double master's degree in economics at the Ecole des Hautes Etudes en Sciences Sociales. He eventually moved to the United States, where he completed an Master of Business Administration at the Harvard Business School, as well as a Master of Public Administration, specializing in macroeconomics and international relations, at Harvard's Kennedy School of Government. His mentors were Alain Gomez, the chairman of Thomson SA, who taught him how to be a manager, and the economist Jeffrey Sachs, who took him along from Harvard to Warsaw and Moscow.

Ministry is one of a large scale investors in Mathematical Gymnasium Belgrade.

Mathematical Gymnasium also have contracts with Serbian Airways (JAT, air traffic company), Telekom Srbija (Telecom Serbia, the largest telecom operator in former Yugoslavia and in modern Serbia), Serbian Academy of Sciences and Arts, domestic and international scientific Institutes, etc.