J. DAVID JOHNSON is Professor and Chairperson of the Department of Communication, Michigan State University. He is author of numerous articles and reviews in refereed journals on his research interests, which focus on organizational communication structure, information seeking, and health communication. Dr. Johnson is and has been a consulting editor for major journals in his fields and is author of a previous book, Organizational Communication Structure (1993).

J. DAVID JOHNSON is Professor and Chairperson of the Department of Communication, Michigan State University. He is author of numerous articles and reviews in refereed journals on his research interests, which focus on organizational communication structure, information seeking, and health communication. Dr. Johnson is and has been a consulting editor for major journals in his fields and is author of a previous book, Organizational Communication Structure (1993).

J. DAVID JOHNSON is Professor and Chairperson of the Department of Communication, Michigan State University. He is author of numerous articles and reviews in refereed journals on his research interests, which focus on organizational communication structure, information seeking, and health communication. Dr. Johnson is and has been a consulting editor for major journals in his fields and is author of a previous book, Organizational Communication Structure (1993).