A longtime aide to President Joe Biden who is a senior adviser in Vice President Kamala Harris' office is Biden's choice to represent the United States at the United Nations agency devoted to education, science and culture.

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The Democratic president's choice to become the U.S. permanent representative to the Paris-based UNESCO, with the rank of ambassador, is longtime aide Courtney O'Donnell, according to a White House official, who spoke Monday on the condition of anonymity to discuss the nomination before a formal announcement.

O'Donnell currently wears two hats: She's a senior adviser in Harris' office and acting chief of staff for Harris' husband, second gentleman Doug Emhoff, and lends her expertise to a range of national and global issues, including gender equity and countering prejudice against Jews, a top issue for Emhoff, who is Jewish.

O'Donnell also was communications director for Jill Biden, when she was second lady during Joe Biden's vice presidency when Barack Obama was president. O'Donnell helped Jill Biden raise awareness and support for U.S. military families and promote community colleges.

She has extensive experience in developing global partnerships, public affairs and strategic communications, having held senior roles in two presidential administrations, nonprofit and philanthropic organizations, national political campaigns and the private sector, according to her official bio.

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