Fred Goldstein advises governments and companies on technical, regulatory, and business issues related to the telecommunications, cable, wireless, and Internet industries, especially in areas where they overlap. He assists service providers in network design, business modeling, planning, and technical architecture. He helps municipalities develop their own networks, fiber and wireless, to bring broadband services to unserved areas. He has frequently been an expert witness in patent, regulatory, and telecom disputes. He has worked with enterprise networks on a wide range of matters such as backbone network design, voice systems planning, and traffic engineering. The author of numerous articles and the books The Great Telecom Meltdown and ISDN In Perspective, he has served on standards committees in areas such as ATM networks and frame relay, and has taught courses on various telecom-related subjects.