| http://www.w3.org/ns/prov#value | - Since the mid-1980s Okker has been involved in art and was a founding partner in the Jaski art gallery in Amsterdam, specialising in works of the CoBrA movement.[10] In 2005 he founded art gallery Tom Okker Art bv in Hazerswoude-Dorp, Netherlands, where he now lives.[11]
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