Ernst-Jan considers himself a "technology lawyer" focusing on IT law, Intellectual Property Law and protection of valuable data and knowledge. His clients include hospitals, knowledge institutions, government agencies as well as large and smaller companies ranging from multinationals to start-ups.
Ernst-Jan combines his practice with his work as a director (managing partner) of Dirkzwager. In this capacity, he is ultimately responsible for the ups and downs of Dirkzwager's organisation as well as for realising Dirkzwager's ambitions.
In addition to his work within Dirkzwager, Ernst-Jan is a member of the Stichting Geschiloplossing Automatisering (SGOA) as an IT arbitrator.
Ernst-Jan also works as a volunteer for the KNWU, where he is a member of the Track Cycling Committee. There, he is committed to the continuous development and improvement of track cycling in the Netherlands.
