August 24-26th, 2016, the Business Systems Laboratory 4th International Symposium, "Governing Business Systems: Theories and Challenges for Systems Thinking in Practice," was held at Mykolas Romeris University (MRU). Academics and researchers from over 20 countries attended the event. There were academics from Austria, Bulgaria, Canada, Columbia, Croatia, Czech Republic, Georgia, Germany, Italy, Japan, Mexico, Norway, Russia, Slovenia, Switzerland, U.K., U.S. and other countries.