Chang, William Y.

William Y. Chang, co-author of "Service Assurance for Voice over WiFi and 3G Networks," is a founder of AcuMaestro, Inc., and has over twenty years of consulting, engineering, and development experience in telecommunications, financial, and defense industries.

Mr. Changa (TM)s credentials reflect a career of blending leading-edge solution quality with system engineering, deep-information management, telecommunications technologies, mobile-service creation and operation, and commercial software-product development. Currently, he serves as a Lead System Integrator and Technical Consultant in