Meet our Founder, President & CEO

Dr. David Nghiem is the Founder, President and CEO of Global Wireless Technology (GWT), Inc. He invented many practical antenna technologies for state-of-the-art wireless-communication systems, including medical applications. In addition, he has been developing innovative electromagnetic technologies, including MRI survivability/safety/compatibility for medical device and bio-sensor applications, and explosive detection for home-land security and anti-terrorism applications.


Dr. David Nghiem was an Assistant Dean of the Cullen College of Engineering, and a Director of the Telecommunication Center at the University of Houston. He has also spent many years in telecommunication and medical industries, including Harris Corporation, Qualcomm, USA Wireless and Medtronic. He is a Senior Member of IEEE, and an avid researcher. His work was published in leading academic and scientific journals. He has also been providing the industry with fast turn-around, cost-effective, compact and more efficient antenna technologies. Dr. David Nghiem has 13 US patents. Twin Cities IEEE Section has recently honored Dr. David Nghiem's outstanding engineering career with the IEEE Outstanding Engineer award.


Last, but not least, Dr. David Nghiem has been recognized as having very high standards for product quality and safety. He has been providing the industry with technologies that are not only more efficient, but also safer. Millions of cell-phone users are benefiting from his technologies. He has committed to help the medical industry and patients through his innovative technologies. He is working on explosive detection technologies that could save many lives. Dr. David Nghiem is also the Founder and Chairman of Global Environment Center (GEC). He is improving the environment with new technologies and informing individuals about environmental issues.


Click here to view a letter from Mr. Al Gore, former Vice President of the United States, to Dr. David Nghiem.
Click here to watch Dr. David Nghiem's seminar on Cell-phone Issues and Solutions at the Idaho State University.

Dr. David Nghiem gave the FDA a seminar on "Bluetooth Communication Systems for Medical Implant Applications" on July 15th, 2015. Bluetooth low-energy (BLE) technology has become a promising option for wireless medical-implant applications. However, an increased body loss at the ISM frequencies utilized in a BLE communication system and common interference sources, including Wi-Fi, IoT, microwave-ovens, wireless power-charging systems, etc. present challenges for medical implant applications. In the seminar, a Bluetooth medical-implant system analysis was presented. System, interference, and MRI survivability & compatibility testing were discussed. A simple and reliable measurement/numerical modeling methodology that can be used to determine the conservative survivability/SAR/heating scenario was also proposed. Dr. Nghiem also gave a seminar on ""Bluetooth Low Energy (BLE) & Medical Body Area Network (MBAN) Communication Systems for Implants and Medical Devices: Issues & Solutions" at the FDA on February 10th, 2017.

Click here to watch May 2017 GWT/IEEE seminar on "Bluetooth Low Energy (BLE) Communication System for Medical Applications, and Medical Body Area Network (MBAN) Systems" presented by Dr. David Nghiem. Please also click here to download a copy of the presentation slides.

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