Credit Suisse chairman Urs Rohner (R) and Tidjane Thiam take their places as they arrive for a news conference in Zurich, March 10, 2015. Credit Suisse has swooped on Prudential boss Tidjane Thiam to replace chief executive Brady Dougan - seen to have failed in reforming the Swiss bank fast enough - in order to push into wealth management of a growing multi-millionaires club in Asia. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: BUSINESS)