The sixth Makers Conference has unveiled another stacked lineup for its 2020 edition.Olivia Wilde, Gloria Steinem, Katie Couric, attorney, educator and chair of the Hollywood Commission, Anita Hill,former Congresswoman Katie Hill and HuffPost Editor in Chief Lydia Polgreen are set to headline this year's annual women's summit,The Hollywood Reporterhas exclusively learned.Other names on the 2020 roster for the event, which runs Feb.