<p>Gavin Chait is an economist, engineer, data scientist, sometime-traveller, and author. He leads <a href="http://whythawk.com" rel="nofollow noreferrer">Whythawk</a> for consulting, and developed <a href="https://pikhaya.com" rel="nofollow noreferrer">Pikhaya.com</a>, a business intelligence web service built from open data.</p>

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