Sephora sponsors Teen Vogue Summit NEW YORK, Nov. 20, 2017 /PRNewswire/ -- Teen Vogue announced today its official sponsors and the exclusive activations and experiences that will be offered at the Teen Vogue Summit, hosted by editor in chief Elaine Welteroth, December 1 & 2 in Los Angeles. The Summit will bring together activists and civic leaders, tech mavens, business founders, and the new generation of mission-minded fashion and beauty icons. On December 2, Hillary Rodham Clinton will be interviewed by actress, scholar, and activist Yara Shahidifor the opening key note conversation. Over the course of the two days, other high-profile participants include: Rowan Blanchard, Amandla Stenberg, Ava DuVernay, Lilly Singh, Cleo Wade, Paola Mendoza, Storm Reid, and many more. Click here for the full speaker line-up.