Naman Ramachandran Lena Waithe (“The Chi”), Andrea Riseborough (“Luxor”) and Julie Taymor (“The Glorias”) will be among the luminaries participating at this year’s virtual Sundance London event in August.Waithe and Riseborough will be joined on a panel by Jeff Deutchman, executive VP of acquisitions and production, Neon; Julia Oh, senior commissioning executive for Film4; and Mathieu Ajan, BFI Network executive and founder of Bounce Cinema.