Christof Gellweiler

WHU Otto Beisheim School of Management | WHU

The discussion on competitive advantage started about half a century ago but foundational theories still lack connectivity. The resource-based view (RBV) concentrates on concepts internal to a firm and disregards the world outside, whereas the industry view neglects internal antecedents and consequences. This review paper examines complementation o...

Background: Information technology (IT) requires substantial investments from enterprises to build competitive capabilities. IT products are supposed to provide value to customers and to increase the competitiveness of enterprises. Vendors of IT products should take the competitive strategy and value creation for enterprise buyers into account. Obj...

This article presents special features of digitization in context with innovation. Digital innovators go beyond new product development and emerging technologies. They change business systems and make use of sociocultural trends to deliver value. New technologies and creative business models provide essential ingredients for digital innovation. How...

Enterprise architecture (EA) and project portfolio management (PPM) are key areas when it comes to connecting enterprise strategy and information technology (IT) projects. Both management disciplines enhance business capabilities, integrate skilled resources, and govern affiliated processes and functions. A skillful comprehension of the links betwe...

Information technology (IT) architecture is an essential element of an enterprise's strategy and impacts competitive advantage. The management of IT architectures is unexplored in theory and confused in practice. In particular, the roles of IT architects are interpreted in various ways. The purpose of this study is to examine the roles of IT archit...

The strategic significance of IT architecture has been recognized for decades. However, the roles of IT architects and their importance to IT-business alignment are still underrated in theory and practice. This article provides a literature review, classifies the roles of IT architects, and describes their influence on IT-business alignment. The ma...

This research expands our understanding of IT value by adding a customer-based view (CBV) to the prevalent resource-based view (RBV). Founded on a template analysis, this article suggests an integrated definition for IT value consisting of two complementary facets: monetary customer value and non-monetary organizational value. Value from IT investm...

Value is a nebulous term in information technology (IT) science. In the IT literature, definitions for IT (business) value and categories for IT value are diverse. This research attempts to find a universal definition for IT value and concise categories of IT value. IT-value activities were systematically searched in the IT literature and used as d...

If IT projects are to be successful, they must meet business requirements, and they must be efficiently managed. IT projects need methodological skills to manage resources as well as technical capabilities for architectural planning and solution design. Project managers and solution architects represent two highly qualified leadership roles in IT p...

As other investments within an enterprise, information technologies should support the business strategy of a company and provide value to it. IT projects and their requirement engineering must include aspects of competitive gains in accordance to the strategic position of the company. I suggest that IT managers and engineers must take competitive...