Chief Information Officer Role Effectiveness: Literature Review and Implications for Research and Practice; 1 Introduction; 2 Theoretical Background and Research Gaps; 3 Literature Review and Model Development; 3.1 Methodology; 3.2 Conceptualization of the CIO Roles; 3.3 Conceptualization of the CIO Role Effectiveness Model; 4 Discussion; 4.1 Effectiveness as a Technology Provider; 4.2 Effectiveness as a Strategic Supporter; 4.3 Effectiveness as a Business Thinker; 4.4 Effectiveness as an Innovation Driver; 4.5 Effectiveness as an Integration Advisor

4.6 Effectiveness as a Relationship Manager5 Implications; 5.1 Research Implications; 5.2 Practical Implications; 6 Future Research; 7 Concluding Statement; Appendix A: Related Work on CIO Role Effectiveness; Appendix B: Analyzed Papers in the IS Literature; Appendix C: Conceptualization of the CIO Roles; Appendix D: Conceptualization of the CIO Role Effectiveness Model; Appendix E: Methodological Conclusion Resulting from Our Review; References