Geesche Geddert studied with Dorothea Winter at the Conservatory of Zwolle, obtaining a degree in performance in 1986. She has worked together with such composers as Christian Wolff and Karlheinz Stockhausen. With the latter she prepared the recorder version of his In Freundschaft. She has made CD and radio recordings, lectured at several conservatories, and has written for the professional journal Tibia. She teaches at the ArtEZ Conservatory in Zwolle as well as at various local schools of music and frequently concertizes in The Netherlands and in Germany.