Justin Schack is a Managing Director and Partner at Rosenblatt Securities, an agency-only institutional broker based in New York City. In this role, he leads the firm’s Market Structure Analysis group, which provides in-depth intelligence on global market structure and the exchange industry. A reformed financial and public affairs journalist, Schack has addressed a broad range of subjects, including investment banking, money management, equity research, particularly market structure and exchanges. He also regularly counsels senior industry executives and regulatory officials on market structure matters.