Ex-New Zealand Prime Minister Jacinda Ardern is chosen for Harvard fellowships

Jacinda Ardern, pictured last summer, resigned as New Zealand's prime minister and left Parliament earlier this year. "I am incredibly humbled to be joining Harvard University as a fellow," she says. (Rick Rycroft/AP)

Former New Zealand Prime Minister Jacinda Ardern has been chosen for multiple fellowships at Harvard University, the school announced Tuesday.

Ardern resigned as prime minister and left Parliament earlier this year and said she "no longer had enough in the tank" to continue in politics.