The former R.E.M. frontman will appear at the June 23 event in New York. Wambere is the leader of the gay rights group Spectrum Uganda Initiatives.
Singer-songwriter Sia will perform with the New York City Gay Men’s Chorus at the event, where Daniel Radcliffe will appear.
The inaugural “Trailblazers” salutes pioneers in the gay rights movement.
Honorees include NBA player Jason Collins, Laverne Cox and Lea DeLaria of “Orange Is the New Black” and the woman who challenged the federal Defense of Marriage, Edie Windsor and her lawyer Roberta Kaplan.
“Trailblazers” will air June 26.
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