Private banking firm Reyl & Co has named Gideon Wittenberg as chief operating officer at Reyl London, with additional duties as a senior client manager. He will develop the administration of the London business alongside managing partner Ladislas Safyurtlu, while working on business expansion. Between 2007 and 2013, he worked at SG Hambros Bank (London), as a private banker and later as a group commercial manager.