Rosa Martínez is also offering her expertise and vision to individuals, enterprises or governmental administrations who are willing to create or update international or local contemporary art collections.

Her work at Istanbul Museum of Modern Art from 2004 to 2007 implied the acquisition of significant pieces by Monica Bonvicini, Richard Wenworth, Sarkis, Husseyin Chalayan, Bulent Sangar or Gulsun Karamustafa, among others. Her collaboration with the Guggenheim Bilbao in 2007 updated its contemporary collection including works by Ibon Aranberri, Itziar Okariz, Sergio Prego, Maider López or Asier Mendizabal, among other outstanding young Basc artists.

As an art collections consultant her role implies:
· Offering a vast knowledge of art, historical and contemporary.
· Providing criteria of excellence for specific acquisition of art works.
. Drawing up the lines for conceptual and aesthetic development of the collection.
· Advising on the organisation of exhibitions, the design and production of publications.

“Collecting is producing memory, critical consciousness, pleasure and power”
Rosa Martínez, 2007