<p>Professor of Otology in Amsterdam UMC the Netherlands. Wrote many papers on patient reported outcomes, hearing (e.a. CI, otosclerosis) and cholesteatoma . Developed the ear-specific OQUA PROM, and supervised the National Consensus meeting on Cholesteatoma. Steering committee member of IOOG (international otology outcome group). Wrote a book on CI and several chapters of books.</p>