Before her retirement, she was full professor at Bundeswehr University Munich for economic policy in special consideration of political economy.
[1] Lang studied economics and political science and obtained her doctorate and habilitation on the topics of infrastructure, business cycle theory and public finance.
After an assistantship at University of Würzburg, she was appointed to a professorship at Fachhochschule Westküste in Heide, Germany.
She is founder member and since 2014 anew[1] president of the steering committee[2] of Vereinigung für Ökologische Ökonomie (VÖÖ), a German partner organisation of International Society for Ecological Economics.
[1] She is member of the board of trustees of Bürgerstiftung München, a civic society in Munich.