Chief Operations Officer (COO): Responsible for the ... may overlap with a chief operating officer. What Is the Difference Between a CEO and a Chair of the Board? In large corporations, the ...

They are the bridge between the CEO’s vision and the employees who execute it. Without a COO, a company might struggle to turn its plans into action. Differences Between a COO and Other C-Suite ...

When Adena Friedman was named CEO of Nasdaq in 2017, she became the first female leader of a global stock exchange — but Friedman was a consistent c-suite executive for Nasdaq prior to becoming CEO.