Ronald Mathis is a physicist for EWIL at NAWCWD, Point Mugu, CA, where he researches and develops advanced technologies supporting the EW domain. He supports technology for RF and microwave sensing, signal processing, identification, detection, tracking, and geolocation of emitters, including the ALQ-218 receiver used within the EA-18G Growler. He is a primary contributor in digital signal processing, systems development, and hardware integration and tests. He authored and coauthored 19 patents, some which are related to RF signal processing, including EW applications and photonics and fiber optics signal processing. Dr. Mathis holds a Ph.D. in physics from the Missouri University of Science and Technology.