The AG OrgInn congratulates Tamara Schnell on the successful defence of her dissertation! Tamara's thesis is entitled "Between Structure and Agency: The Interplay of (De)Institutionalisation and (Il)Legitimation in Energy Transitions" and deals with the complex legitimation processes in sustainability transitions. Tamara has developed a concept that makes processes of legitimisation and de-legitimisation tangible in concrete socio-technical configurations, takes an institutionalist approach to them and underpins them empirically with case studies on wind projects.

Many thanks to Prof Dr Bernhard Truffer, who wrote the second opinion, and to the entire commission for an exciting and constructive debate. Congratulations, Dr Tamara Schnell!