In this article, the author describes some of his own experiences of becoming an organizational systems theorist. The article also presents overviews of various systems theories that influenced the learning process from subject exploration to mastery. These include system dynamics, management systems, General Systems Theory, self-organizing systems, and autognomics. Additionally, discussions of system failures, philosophical pragmatism, and knowledge management all relate to their influence on systems theories. The article culminates with an examination of the possible causes of system failures and (...) proposes various new ideas for intervening in several large-scale issues, such as sustainability. Finally, there is a review of a new type of organizational performance measurement system known as the adaptive scorecard. (shrink)