Collective exhibitions:
1984
- Royal Palace - Amsterdam, Netherlands
(Exhibition in the context of the Royal Subsidy)
- Haagse Kunstkring - The Hague, Netherlands
(Exhibition in the context of the 'Haagse Salon')
1987
- Artcafé ExpresZo - Delft, Netherlands
(Participation to 'De Delftse Kunstroute')
1988
- Galerie Inkt - The Hague, Netherlands
(Exhibition of works purchased by the Municipality of The Hague)
1996
- Museo de la Ciudad / Pinacoteca (City Museum / Pinacotheque) - Valencia, Spain
(Exhibition in the context of the Tour of Spain)
1997
- Sala Moncloa - Madrid, Spain
(‘Espacio Curvado’, with International Art Collective)
- Galería Municipal Sintra - Lisboa / Lissabon
(Exhibition in the context of the Tour of Spain)
1998
- Galería Zero - Barcelona, Spain
‘I Art Encounter’
2000
- Sala Picasso - Colmenar Viejo
‘Witmaar & Witmor, father and son'
2001
- La Mairie - Bujaleuf, France
‘Witmaar & Witmor, father and son'
- Galerie Het Oude Raadshuis - Warmond, Netherlands
‘Witmaar & Witmor, father and son'
2007
- Sala Picasso - Colmenar Viejo, Spain
'25 años Sala Picasso'
(Works owned by the Colmenar Viejo Town Hall)
2008
- Galerie 063 / De Oude School in Worder - Oosthuizen, Netherlands
'21 kunstenaars lezen Pierre Kemp'
(Exhibition in tribute to the Dutch poet Pierre Kemp)
2011
- Centro Comarcal Cardenal Gonzaga - La Cabrera, Spain
V Muestra Artistas Plásticos Sierra Norte. 'El bosque'
(Exhibition with artists from the region, with 'The forest' as a theme)
2012
- ‘Homo Artis’ - Colmenar Viejo, Spain
(Six open-air exhibitions and one closing exhibition in the Sala Picasso)
- Dirección General de Turismo - Madrid, Spain
(Prolongation of 'Homo Artis')
2013
- Cento Comarcal Cardenal Gonzaga - La Cabrera, Spain
VII Muestra Artistas Plásticos Sierra Norte, 'Crisis'
(Exhibition with artists from the region, with 'Crisis' as a theme)
2016
- De Spanjaardshof - The Hague, Netherlands
'Sueños de España'
2019
- Sala Picasso - Colmenar Viejo, Spain
Individual exhibitions:
1990
- Provinciehuis Zuid-Holland (Provincial Council) - The Hague, Netherlands
- Culturele Raad Zuid-Holland (Provincial Cultural Council) - The Hague, Netherlands
1996
- Sala Picasso - Colmenar Viejo, Spain
- Galería Matisse - Collado Villalba, Spain
'Paisajes interiores' ('Interior landscapes’)
1997
- Galería Zero - Barcelona, Spain
2012
- Galería Trueno - Colmenar Viejo, Spain
