Across the pond, we're well aware of the work started by Peter Senge and his colleagues (especially Betty Flowers and Otto Scharmer) from the 1990's onward at the SoL Institute
University of Hertfordshire (UK) Complexity and Management Centre
In Europe we follow the work of Ralph Stacey on Complexity in organisations, continuing at the University of Hertfordshire (UK) Complexity and Management Centre.
The International Bateson Institute
We also follow Nora Bateson, continuing the work of Gregory Bateson at their Institute in Sweden.
The Metaphorum Group
and the Metaphorum group who promote the work of Stafford Beer (Viable Systems Model)