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NEW YORK, NY - APRIL 21: Matt Lauer, Katie Couric and Obiageli Ezekwesili attend TIME 100 Gala, TIME's 100 Most Influential People In The World at Jazz at Lincoln Center on April 21, 2015 in New York City. (Photo by Kevin Mazur/Getty Images for TIME)

NEW YORK, NY - APRIL 21:  Matt Lauer, Katie Couric and Obiageli Ezekwesili attend TIME 100 Gala, TIME's 100 Most Influential People In The World at Jazz at Lincoln Center on April 21, 2015 in New York City.  (Photo by Kevin Mazur/Getty Images for TIME)