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He has judged hundreds of startups for the European Commission H2020 & Innovate UK funding programmes. He's a Fellow of the UK Royal Society of Arts (RSA) & UK Royal Television Society member.
Kastelein has spoken (keynotes & panels) on Media Tech & Blockchain in Amsterdam, Barcelona, Belfast, Berlin, Brussels, Brighton, Copenhagen, Cannes, Cologne, Curacao, Frankfurt, Hollywood, Hilversum, Gdansk, Geneva, Groningen, London, Las Vegas, Leipzig, Madrid, Melbourne, NYC, Oxford, Rio de Janeiro, Sheffield, San Francisco, San Jose, Sydney, Tallinn, Vienna, Zurich and been on advisory boards of TEDx Istanbul, SMWF UK, & Apps World. Judged @ AIB awards, Social TV Awards Hollywood, Banff Rockies, TV Connect & IPTV Awards.
Former publisher of TV App Market and founder of The Hackfest acquired in 2013.
A Creative Technologist & Canadian (Dutch/Irish/English/Métis) his career ranged from the Canadian Native Press (Arctic) to the Caribbean and Europe. He's now writes occasionally for Wired Insights, Guardian & Virgin & his work and ideas have been translated into Dutch, Greek, Polish, German & French.
His TV format Walk The Plank was optioned by Sony Pictures in 2012, but dropped.