Fortmann, Lea and Haffke, Ingmar and Benlian, Alexander (2018):
Die Evolution des Kanalmanagements und die Transformation der IT – Der Weg der Deutschen Bahn Vertrieb GmbH.
In: HMD - Praxis der Wirtschaftsinformatik, Springer, pp. 398-411, 55, (2), DOI: 10.1365/s40702-018-0399-5,
[Article]

Haffke, Ingmar (2017):
The Implications of Digital Business Transformation for Corporate Leadership, the IT Function, and Business-IT Alignment.
Darmstadt, Technische Universität Darmstadt, [Online-Edition: http://tuprints.ulb.tu-darmstadt.de/5756],
[Ph.D. Thesis]

Haffke, Ingmar (2017):
The Implications of Digital Business Transformation for Corporate Leadership, the IT Function, and Business-IT Alignment.
Darmstadt, Technische Universität Darmstadt, [Ph.D. Thesis]

Haffke, Ingmar and Kalgovas, Bradley and Benlian, Alexander (2017):
Options for Transforming the IT Function Using Bimodal IT.
In: MIS Quarterly Executive, pp. 101-120, 16, (2), [Article]

Leonhardt, Daniel and Haffke, Ingmar and Kranz, Johann and Benlian, Alexander (2017):
Reinventing the IT function: The Role of IT Agility and IT Ambidexterity in Supporting Digital Business Transformation.
Proceedings of the 25th European Conference on Information Systems (ECIS), Guimarães (Portugal), June 8-10, 2017, [Conference or Workshop Item]

Haffke, Ingmar and Kalgovas, Bradley and Benlian, Alexander (2017):
The Transformative Role of Bimodal IT in an Era of Digital Business.
In: Proceedings of the 50th Hawaii International Conference on System Sciences, Hawaii, [Conference or Workshop Item]

Benlian, Alexander and Haffke, Ingmar (2016):
Does mutuality matter? Examining the bilateral nature and effects of CEO-CIO mutual understanding.
In: Journal of Strategic Information Systems, pp. 104-126, 25, (2), [Online-Edition: http://www.sciencedirect.com/science/article/pii/S0963868716...],
[Article]

Haffke, Ingmar and Kalgovas, Bradley and Benlian, Alexander (2016):
The Role of the CIO and the CDO in an Organization’s Digital Transformation.
In: 37th International Conference on Information Systems (ICIS), Dublin, Ireland, 11 - 14 December, 2016, [Conference or Workshop Item]

Haffke, Ingmar and Benlian, Alexander (2013):
To understand or to be understood? A dyadic analysis of perceptual congruence and interdependence between CEOs and CIOs.
In: Thirty Fourth International Conference on Information Systems (ICIS), Milan, Italy, December 15-18, 2013, [Conference or Workshop Item]