Mr. Quintal has more than twenty-seven years of experience in the telecommunications industry, including fifteen years of technical/program management experience in managing large-scale turnkey telecommunications programs for a diverse worldwide customer base. In addition, Mr. Quintal brings more than twenty-seven years of system engineering experience in the development, design and implementation of large-scale telecommunications systems with an emphasis on satellite communications and network design.

Prior to co-founding ATNS, Mr. Quintal served as Director of Special Programs Engineering for General Dynamics WTS. In this capacity, Mr. Quintal had the overall technical responsibility to design, develop, build, implement, deploy, integrate, test and commission a commercial Low Earth Orbit (LEO) Global Telecommunications System. This three-year, ½ billion dollar program to provide "near real time" and store-and-forward services included 32 LEO satellites, launch segment, ground segment and user segment.

Mr. Quintal previously served as Director of Engineering for GTE Telecom International Systems (previously GTE Spacenet International), where he had the responsibility for the effective direction, integration and management of all engineering functions. In this capacity, he supported contract programs, IR&D projects and new business activities. His responsibilities also included maintaining a qualified and fully staffed engineering team, providing tactical and strategic planning, and assuring financial integrity of the engineering organization to fulfill the Division's mission to provide system and service solutions to worldwide telecommunications markets. GTE Spacenet International was a world leader in the provision of satellite earth stations and broad-based telecommunications systems.

Prior to the position of Director of Engineering, Mr. Quintal served as the Manager of System Engineering where he had the responsibility for all of GTE Spacenet International's system design and analysis of telecommunications systems. This included providing technical leadership in the engineering of satellite communications earth stations and voice/data networks, as well as other related technologies such as telephone switching, monitor and control systems, video systems, terrestrial microwave, fiber optics and rural radio systems.

Prior to the position of Manager of System Engineering, Mr. Quintal served as an Advanced Development Engineer, working within the International Engineering Organization. He was responsible for developing communications systems and networks using the latest state-of-the-art techniques and equipment.

Mr. Quintal joined GTE in 1975 where, in addition to the above-mentioned positions, he served as Project Technical Director, Lead System Engineer and Project Engineer on many key programs.