Harvard Business Review (HBR)[3][4] is a general management magazine[5] [6] published by Harvard Business Publishing, a not-for-profit, independent corporation that is an affiliate of Harvard Business School. HBR is published six times a year[3] and is headquartered in Brighton, Massachusetts. HBR covers a wide range of topics that are relevant to various industries, management functions, and geographic locations. These include leadership, negotiation, strategy, operations, marketing, and finance.[7] Harvard Business Review has published articles by Clayton Christensen, Peter F. Drucker, Justin Fox, Michael E. Porter, Rosabeth Moss Kanter, John Hagel III, Thomas H. Davenport, Gary Hamel, C. K. Prahalad, Vijay Govindarajan, Robert S. Kaplan, Rita Gunther McGrath and others.[8][9] Several management concepts and business terms were first given prominence in HBR. Harvard Business Review's worldwide English-language circulation is 250,000. HBR licenses its content for publication in nine international editions.[10]