Finn Madsen is a member of the Swedish Bar Association and the International Bar Association. He was a partner at Advokatfirman Vinge KB from 1995 to 2016. In 2017 he left Vinge to commence his own practice at Madsen Advokatfirma AB.
Before joining Vinge, Finn Madsen served as, among other things, an assistant judge at the Appeals Court and District Court and as general counsel at a Swedish commercial bank.

Finn Madsen possesses extensive experience of Swedish and international arbitration practice, both as counsel and arbitrator. Finn Madsen is frequently appointed as arbitrator and chairperson by the SCC Institute and by the ICC. He is also a university lecturer and seminar speaker and has published a number of papers on dispute resolution issues and commercial law. He frequently issues legal opinions on Swedish law and is heard as an expert witness.