He's Robert Thomson, the former editor of the Times of London who has served as the Journal's publisher since Rupert Murdoch's News Corp. took over. Thomson was also editor of the U.S. edition of the Financial Times. He replaces Marcus Brauchli, who resigned after it became clear that he and Murdoch weren't agreeing on how to change the paper. Thomson wasn't among the handful of names making the rounds, but the selection does make sense, given his ties to Murdoch. Even now, the paper's first section has noticeably veered in the direction of general news, with the Marketplace section filling up with business news. Here's the WSJ story on Thomson.