Radical Country, Château de Lacaze, 2016

Royal Prize for Dutch Painting
with HM King Willem-Alexander
jury member, 2015 - 2018

Museumtijdschrift, Dutch art magazine

Lily Robert Gallery, Art Rotterdam, 2016

Paris field trip for ArtTable, 2016, initiator, organisation and host

my own blog Atelier Holsboer - Contemporary Art in Paris

research trip to Israel, 2016, initiated by Kunstenisraël

Material World, Nest, The Hague, 2013

workshop together with artist David Jablonowski
about exhibition Material World
Piet Zwart Institute, 2013