a completed W1 assistant professorship is generally considered to be a qualification that is equivalent to a habilitation
the title of ‘professor’ may only be used while employed as a W1 assistant professor
Requirements:
PhD, doctoral degree or equivalent awarded by a university
Habilitation or equivalent postdoctoral qualifications: the habilitation is intended to demonstrate a person’s suitability to teach and research at universities as a professor for a specific subject. Experience in independent academic teaching and the ability to conduct independent research demonstrated through a habilitation thesis or multiple high-level academic publications; can also be demonstrated in the form of a positive evaluation as a W1 assistant professor.
Peer reviewed publications
Acquisition of third-party funding
W2 professorships can also be advertised with a tenure track to W3.