The CEO of a Canadian national stepped down on Thursday following a special commissioner’s determination that she had mistreated staff throughout her decade-long tenure, using slurs and misogynistic language to refer to senior leadership.

“In early December as the board was gaining a better understanding of the report—its timing, content and the expectations of government—the board confirmed CEO Marie Chapman’s decision to retire, and effective today, she has stepped away from her role,” Cynthia Price Verreault, chair of the Museum of Immigration at Pier 21’s board of trustees, wrote in a letter to stakeholders and staff on Thursday.

The Office of the Public Sector Integrity Commissioner released the findings of its investigations into Chapman on Wednesday night, as first reported by CBC. The report accused Chapman of “serious code of conduct breaches” that jeopardized the “confidence in the integrity of the public sector, and specifically the museum.”

Chapman was appointed CEO under former Canadian prime minister Stephen J. Harper was reappointed by the Trudeau government in 2016 and 2021. Her four-year contract expired in October, however the museum’s board of trustees had granted her a 90-day transitional term that ...