Ph.D., Physics with expert witness experience. Expert has over forty years of acoustics research and development experience in government laboratory, industrial and academic settings. Internationally known expert in fields of diagnostic ultrasound imaging, ultrasound exposimetry, surface acoustic wave signal processing devices, and ultrasonic nondestructive evaluation. Author of over eighty papers including a reference and textbook on diagnostic ultrasound imaging, four book chapters, and co-holder of four patents. Leader of international and U.S. standards Committees