- Cate Blanchett succeeds Spanish director Pedro Almodovar as jury head
- She was one of the first women to speak out against Harvey Weinstein
- She helped launch the Time's Up campaign against sexual harrassment
"We're very pleased to welcome a rare and unique artist with talent and conviction," Cannes president Pierre Lescure and Delegate General Thierry Fremaux said in a joint statement.
"Our conversations this autumn convince us she will be a committed president, and a passionate and generous spectator."
The choice of Ms Blanchett, who was named best actress at the 2014 Academy Awards for her role in Woody Allen's Blue Jasmine, will be seen as politically charged after a year in which the sexual harassment scandal surrounding Hollywood mogul Harvey Weinstein sparked a deluge of allegations against powerful men in entertainment, politics and the media.
She was one of the first women to speak out against Harvey Weinstein, who faces claims of a string of sexual assaults and rapes from more than one hundred accusers.
Weinstein has denied some of the accusations.
"Any male who's in a position of authority or power, you know, whether he be a film producer or the president of the United States who thinks it's his prerogative to sexually intimidate or abuse women that they come into contact with, whether in the workplace or otherwise, they need to be held to account," Ms Blanchett said during the September premier of her latest picture, Thor: Ragnarok.
It urges companies, government agencies and even the US federal court system to re-examine harassment policies.
Ms Blanchett won the Oscar for Best Supporting Actress in 2005 for her portrayal of Katherine Hepburn in Martin Scorsese's The Aviator and won Venice's best actress award in 2007 for her androgynous depiction of Bob Dylan in the biopic I'm Not There.
She succeeds Spanish director Pedro Almodovar as jury head at Cannes, which last year awarded its prestigious Palme d'Or for the Swedish tragicomedy The Square.
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