Taco is a co-founder of DFFRNT, together with Winston Gerschtanowitz and Bas Verhart.
A media veteran of 28 years, he has unrivalled experience in the television and digital arenas. Starting as a runner at Endemol Netherlands,he quickly rose to become Executive Director at Endemol Interactive International, responsible for worldwide interactivity around formats such as Big Brother, Deal Or No Deal and all their participation TV content. In 2005, he co-founded 2Waytraffic, which was listed on the London Stock Exchange a year later at a valuation of €155M, and acquired by Sony Pictures Television in 2008. From 2009 to 2013 he was CEO/shareholder at Blazhoffski Group, overseeing a majority shareholder acquisition by Warner Bros. From 2014, he was Senior Vice President Prime Time Entertainment ProSiebenSAT1, responsible for all prime time entertainment, reality and comedy formats on SAT1.
Ketelaar serves as a board advisor to various international leading media companies and invests in various digital companies, including, as a co-founder, Creative Clicks, a global leading mobile marketing company.