Witan Investment Trust plc has appointed Pzena Investment Management (Pzena) and Tweedy, Browne Company LLC to manage global equity portfolios with a total value of £190 million. The mandate for Pzena will account for approximately £145 million and be run in line with their Global Expanded Value strategy. The Tweedy Browne mandate will account for approximately £45 million and will be run in accordance with the Tweedy, Browne Global High Dividend strategy.