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

Columbia University’s interim president resigned from her position at the embattled Ivy League Friday night, just days after she told the Trump administration she would implement a mask ban ...

The president, Katrina Armstrong, resigned effective immediately, and the school’s board chair, journalist Claire Shipman, has been appointed interim president. Armstrong had replaced Columbia’s ...

Dr. Katrina Armstrong, Columbia University’s interim president, resigned Friday amid the school’s tussle with the Trump administration over federal funding and criticism around its response to ...

Columbia University’s interim president Katrina Armstrong has resigned, returning to her post running the New York school’s medical center. Armstrong’s return to her former job leading the ...

Columbia University announced Friday that its interim president, Katrina A. Armstrong, was stepping down. The news arrives a week after the university caved to a list of demands from the Trump ...

Dr. Katrina Armstrong told a federal task force she could not remember details from the university’s report on antisemitism ...

By Alan Blinder Katherine Rosman and Sharon Otterman The interim president of Columbia University abruptly left her post Friday evening as the school confronted the loss of hundreds of millions of ...

With the resignation of Columbia University’s interim president, the academic-diversity complex seems to have sent out a warning shot: cooperation with the Trump administration will be punished.

Interim Columbia University President Katrina ... Armstrong stepped in after former Columbia president Minouche Shafik resigned in August amid claims of institutional antisemitism.

NEW YORK — Columbia University’s interim president Katrina Armstrong has resigned, returning to her post running the New York school’s medical center. Armstrong’s return to her former job as CEO of ...