MAP20071506437 Lorsch, Jay W. Should the CEO be the chairman? / Jay W. Lorsch, Andy Zelleke The practice of separating the two top jobs is common in the United Kingdom and elsewhere, but it is not necessarily an improvement over the U.S. model of combining the two positions En: Sloan management review. - Boulder. - Winter 2005 ; p. 71-74 1. Organizaciones . 2. Empresas . 3. Modelos de gestión . 4. Dinámica empresarial . 5. Reino Unido . 6. Estados Unidos . 7. Dirección de empresas . I. Zelleke, Andy . II. Title. III. Título: Sloan management review.