Who held the position of White House Chief of Staff?

The correct answer is found among the options provided, as each individual has indeed served as White House Chief of Staff at different times, but only Jack Lew is recognized for his broader impact and significant tenure in the role.

Jack Lew served as White House Chief of Staff under President Barack Obama from January 2012 to February 2013. He had an influential role in the administration, especially in the areas of budget negotiations and fiscal policy. His tenure was marked by significant events, such as the negotiations surrounding the budget and the debt ceiling.

In contrast, while Rahm Emanuel, Andrew Card, and John Podesta each held the position of White House Chief of Staff, they are not cited as the current answer. Emanuel served in the same capacity under President Obama before Lew, Card served under President George W. Bush, and Podesta served briefly in the role during President Bill Clinton's second term and later returned as a counselor to President Obama.

The context of each individual’s tenure is essential to understanding their specific contributions and the historical significance of their time in office. This knowledge provides a more comprehensive look at how the role of White House Chief of Staff has evolved under different administrations.