Stacey Cunningham, the current New York Stock Exchange chief operating officer, will become the exchange’s 67th president starting Friday. She will be its first female leader in the exchange’s 226-year history.

Stacey Cunningham, the current New York Stock Exchange chief operating officer, will become the exchange's 67th president starting Friday. She will be its first female leader in the exchange's 226-year history.

Stacey Cunningham, the current New York Stock Exchange chief operating officer, will become the exchange’s 67th president starting Friday. She will be its first female leader in the exchange’s 226-year history.

Stacey Cunningham, the current New York Stock Exchange chief operating officer, will become the exchange’s 67th president starting Friday. She will be its first female leader in the exchange’s 226-year history.