Attorney-at-law, active in the film and television industry for many years, amongst others as Managing Director and Corporate Counsel of leading German film and television production and distribution companies. His law office in Berlin focuses on the legal consultation and representation of national and international producers mainly regarding co-productions, and of authors, directors, and other artists in the field of intellectual property law, film, and television. Stefan Rüll is a founding and board member of MiMMA e.V. (Mediation in the Media, Music and the Arts e.V.), member of the International Association of Entertainment Lawyers (IAEL), founder and managing director of OnTrust Collection Agency. He lectures regularly at leading German film schools and European professional training initiatives.