Grünfeld has held board positions in a number of art and cultural institutions.

[4] In 2015, Grünfeld launched the charitable jewelry project Coexista at the Nobel Peace Center in Oslo.

[1] On January 12, 2019, Nina Grünfeld received the Blanche Major Reconciliation Award for her work.

[8] Her documentary film Ninas barn, which has also been published in book form, is about the Jewish Children's Home in Oslo during the Second World War.

The book is about her grandmother, who was a poor Jewish woman and prostitute in Czechoslovakia, and who was deported to Auschwitz and killed at the Ravensbrück concentration camp in April 1945.