Thorsteinn Siglaugsson

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Thorsteinn Siglaugsson is an Icelandic consultant, entrepreneur and writer and contributes regularly to The Daily Sceptic as well as various Icelandic publications. He holds a BA degree in philosophy and an MBA from INSEAD. Thorsteinn is a certified expert in the Theory of Constraints and author of From Symptoms to Causes – Applying the Logical Thinking Process to an Everyday Problem.

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