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Welcome to the world of digital entrepreneurs – welcome to citadelle digital! I advise entrepreneurs and bear corporate responsibility. This way, I act on a level playing field and know the challenges of digital business models as well as the disruptive power of digitization.

Welcome to the world of digital entrepreneurs – welcome to citadelle digital! I advise entrepreneurs and bear corporate responsibility. This way, I act on a level playing field and know the challenges of digital business models as well as the disruptive power of digitization.

citadelle.digital

Parent and nucleus of the network. Digital business models are made here.

citadelle.consulting

Consulting services for the digital economy and digitization.

citadelle.technology

Investments in digital companies.

citadelle.systems

An emerging national champion in the IT services market.

The citadelle network

citadelle.digital

Parent and nucleus of the network. Digital business models are made here.

citadelle.consulting

Consulting services for the digital economy and digitization.

citadelle.technology

Investments in digital companies.

citadelle.systems

An emerging national champion in the IT services market.

The References

The Perspectives

blog citadelle digital

Just do it

Just do it 1024 683 Goldkind

Everyone is talking about budget / planning again. In business, planning is part of everyday working life. Especially at the…

Leadership style and team climate

Leadership style and team climate 1024 749 Goldkind

Business success depends on many internal and external variables. Especially with regard to the internal variables, it seems even more…

Aufsichtsrat Vorstandsvorsitzender Blog citadelle digital

Where the Supervisory Board ends and the Executive Board begins

Where the Supervisory Board ends and the Executive Board begins 1024 683 Goldkind

When I changed my role from CEO to Chairman of the Supervisory Board, the most complex challenge involved leaving the…

The Person

Tobias Kaulfuß

Tobias Kaulfuss is the owner and CEO of citadelle digital GmbH. From November 2014 to December 2018 he was CEO and Chairman of asknet AG. Previously, as Managing Director of Rhenus Media Services, he set up a fulfillment service provider with international clients in e-commerce. Further career stages include supply chain management at Duales System Germany and a consultant position at Bain & Company.

The Perspectives

blog citadelle digital

Just do it

Just do it 1024 683 Goldkind

Everyone is talking about budget / planning again. In business, planning is part of everyday working life. Especially at the…

Leadership style and team climate

Leadership style and team climate 1024 749 Goldkind

Business success depends on many internal and external variables. Especially with regard to the internal variables, it seems even more…

Aufsichtsrat Vorstandsvorsitzender Blog citadelle digital

Where the Supervisory Board ends and the Executive Board begins

Where the Supervisory Board ends and the Executive Board begins 1024 683 Goldkind

When I changed my role from CEO to Chairman of the Supervisory Board, the most complex challenge involved leaving the…

The Person

Tobias Kaulfuß

Tobias Kaulfuss is the owner and CEO of citadelle digital GmbH. From November 2014 to December 2018 he was CEO and Chairman of asknet AG. Previously, as Managing Director of Rhenus Media Services, he set up a fulfillment service provider with international clients in e-commerce. Further career stages include supply chain management at Duales System Germany and a consultant position at Bain & Company.