Professor Wen Xu, curretly Professor of Otolaryngology at Beijing Tongren Hospital Capital Medial University, China. She is the Committee Member of the International Association of Logopedics and Phoniatrics (IALP) Voice Committee. She is also the Vice-President of the China Chapter of the Voice Foundation. Her research interests include application of the ultrasonography and laryngeal electromyography in assessing voice disorders.