Pioneer Productions, a part of the Tinopolis Group, has appointed Thomas Viner as creative director. Viner will focus on creating high quality specialist factual content for U.K. and international broadcasters. Pioneer’s current slate includes How the Universe Works for Discovery Science U.S., World’s Weirdest Weather for Channel 4, Treasures of the Earth for NOVA in the U.S. and KBS in Korea, among others. Viner joins Pioneer from Arrow Media, where he served as executive producer.