US President-elect Joe Biden on Wednesday announced the appointment of Ron Klain, his longtime aide, as White House Chief of Staff.

Iran Press/America: In this capacity, Klain will oversee the Executive Office of the President and serve as a senior advisor.

In addition to supporting the president-elect, Klain will work to build a diverse, experienced, and talented team to help President-elect Biden and Vice President-elect Kamala Harris meet the urgent challenges facing the country, a media release said.

Klain was most recently a senior advisor to the Biden for president campaign and has previously served Biden in several roles, including his Chief of Staff, when he became Vice President.

Klain is also known for his role as the White House Ebola Response Coordinator at the public health crisis height.

Klain served as Biden's first Chief of Staff when he became Vice President (2009-11); Chief Counsel of the Senate Judiciary Committee during his tenure as Chair of the Committee (1989-92); and Policy Advisor on the Judiciary Committee staff (1986-87). Klain also worked as an advisor on Biden's 1988 and 2008 presidential campaigns.

Earlier, Klain served as Chief of Staff for Vice President Al Gore, Chief of Staff and Counsellor to Attorney General Janet Reno, and Staff Director of the Senate Democratic Leadership Committee.

Klain was also Associate Counsel to President Clinton and in charge of judicial selection. Through his work on the Judiciary Committee and in the Executive Branch, he has played a role in selecting or confirming eight Supreme Court Justices.

Serving as an advisor on several Presidential campaigns, Klain has worked for President Obama and President Clinton and Democratic presidential nominees Al Gore, John Kerry, and Hillary Clinton.

Klain graduated from Harvard Law School, was an Editor of the Harvard Law Review, and won the Sears Prize for the highest grade average in 1985. He was a summa cum laude graduate of Georgetown University, where he serves as an Adjunct Professor.

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