From March 21 to March 23, the international conference "Modeling and Analysis of Complex Systems and Processes" (MACSPro'2019), organized by ExactPro and CSMC and PAIS Labs, was held in Vienna. Leading scholars from Spain, Russia, Nitherland, Georgia, and other countries took part in this event. They discussed the state of the art and proposed new methods that can solve actural data-driven business-oriented problems in physics and economics.