David Gurteen: David Gurteen
David Gurteen: david-kmbrasil2008-768x768
David Gurteen: david-kmbrasil2008-cropped
David Gurteen: David Gurteen in Singapore
David Gurteen: David Gurteen in Singapore
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David Gurteen: David Gurteen at KM Brasil 2008
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David Gurteen: David Gurteen at KM Brasil 2008
David Gurteen: david-new-profile-pic
David Gurteen: David KM Russia 2014 Good 1
David Gurteen: David KM Russia 2014 Good 2