As the Director of Acertara’s acoustic measurement laboratory, Dr. Nicholas Ellens is responsible for Acertara’s test activities and development. Dr. Ellens serves on several technical and standards committees within the American Institute of Ultrasound in Medicine and is a delegate from the US National Committee to the IEC where he is involved with writing and maintaining international measurement standards for ultrasound. Prior to Acertara, Dr. Ellens earned his Ph.D. from the University of Toronto where he studied under therapeutic ultrasound pioneer Dr. Kullervo Hynynen, after which he worked as a faculty member in the Department of Radiology at Johns Hopkins University.