She is associate editor for JRP-Ringier, works with the LUMA Foundation, the Garage Museum of Contemporary Art in Moscow,[4] and is the artistic director of the Ringier Collection.

[9] During her time in Zürich, Ruf served as a juror in commissions and curated numerous exhibitions, written essays and published catalogues on contemporary art.

[11] On October 17, 2017, Ruf resigned as director of the Stedelijk after reports in the Dutch news media detailed how, since 2014, she had been earning nearly a half million euros per year as a private art consultant, above and beyond the salary she received from the Stedelijk, and that she had also failed to report those activities and earnings.

[14] An independent investigation, commissioned by the city of Amsterdam, fully cleared Ruf in June 2018 from all allegations.

[19][20] In 2022, Ruf partnered with the Stedelijk for a major exhibition of artist Anne Imhof, which she had helped curate when the show was initially intended to open at the Garage Museum.

[22] In 2024, the Hartwig Art Foundation and Performa co-commissioned Julien Creuzet's Algorithm ocean true blood moves which was presented in New York and at Studio Boekman of the Dutch National Opera.