Here are a few links and references to useful or interesting Complex Systems ideas and organizations:
Z/Yen helps organisations make better choices – our clients consider us a commercial think-tank that spots, solves and acts. Our name combines Zen and Yen – “a philosophical desire to succeed” – in a ratio, recognising that all decisions are trade-offs. Z/Yen’s mission is to be the foremost risk/reward management firm.
Useful book by Michael Mainelli and Ian Harris
New England Complex Systems Institute
My book on the subject
If you need to know more about me try www.agentdynamics.com
Oxford University Said Business School has an excellent Complex Systems research group: