लेखक: A. A. van Ruler

Ansgar Zerfass is professor in Communication Management at the University of Leipzig, Germany. He is engaged in various professional organizations and member of the executive board of EUPRERA, the European Public Relations Education and Research Association. Betteke van Ruler is professor in Communication Science and Communication Management at the University of Amsterdam. She serves as chair of the ICA International Communication Association’s Public Relations Division. Krishnamurthy Sriramesh is one of the leading researchers in public relations worldwide. He has taught at Purdue University, the University of Florida, and Nanyang Technological University, Singapore. He serves on the editorial board of severeal international journals.