Katrina Armstrong, who took over as interim president at Columbia in August, resigned amid a tumultuous year for the ...

Columbia University’s interim president Katrina Armstrong has resigned, returning to her post running the New York school’s ...

Katrina Armstrong is leaving the post a week after the university agreed to a list of demands from the White House.

Columbia University appointed a new acting president Friday. Claire Shipman, co-chair of the school's Board of Trustees, will ...

Katrina Armstrong, interim president of Columbia University, is stepping down, the school said in an announcement Friday.

Columbia University's interim president, Katrina Armstrong, is stepping aside and the co-chair of its board of trustees, ...

Columbia University announced Friday that its interim president, Katrina A. Armstrong, was stepping down. The news arrives a ...

Katrina Armstrong, interim president of Columbia University, is stepping down, the school said in an announcement Friday.

Students and neighbors are suing the school, magnifying the broader complaint that institutions stifle free expression when ...