Birgitte Andersen is an associate professor at BUILD—Department of the Built Environment at Aalborg University (AAU) in Copenhagen. She is a civil engineer in biotechnology from the Technical University of Denmark (DTU) and has a PhD in mycology also from DTU. She teaches in the Master in Building Physics at BUILD in Copenhagen and is a guest lecturer at DTU. She is a peer reviewer for a large number of international journals and is also the co-author of one of the most widely used textbooks on fungal spoilage (Food and Indoor Fungi. Westerdijk Fungal Biodiversity Institute. 2019). She is an expert in the identification of fungal growth and the preferences of different fungal species for different building materials—especially of organic origin. She is involved in the green transition of the Danish building industry in close collaboration with the building physics, building experts and manufacturers.