You May Not Know Who Jeff Zients Is, But He May Be Running The Country

The faces are familiar as we've come to know Biden's closest confidants. Except for one, one figure remains elusive: Biden's Chief of Staff, Jeff Zients. A man of immense wealth and power, he is virtually invisible, unknown to most Americans. Yet he holds the keys to Biden's day-to-day meetings and pronouncements. Just who is Jeff Zients? Today, we take an in-depth look at this mercurial figure.