Fadhel's noteworthy achievements include more that 20 years of teaching and research work in the area RF and microwave engineering; he made numerous contributions related to the field of microwave theory and techniques including devices, circuits, signal and systems. For the last twenty years his research has been mostly directed towards testing, modeling, designing, and building high performance RF circuits and sub-systems for biomedical, wireless and satellite communication systems. As a result of his extensive R&D activities, he published extensively and holds 10 patents (3 pending). His excellence in research has been recognized internationally through fellowship in the IEEE.