About PRA

Propagation Research Associates, Inc., (PRA) is an innovative small business that is developing technology for commercial and defense applications. The company was founded by Dr. Holder and Ms. Dugas in 2001 with the mission to bring products and services of demonstrable value to its customers in the research, commercial, and defense communities. PRA accomplishes this goal through a focused program of exploiting its capabilities in RF propagation, state estimation, radar systems design, and signal processing to develop and manufacture products that bring new capabilities to its customers.

Management Team

E. Jeff Holder, Ph.D. — President

Dr. Holder is a Co-Founder and President of PRA and is a serial entrepreneur. He has over 20 years of serving a military and defense industry customer base, with extensive contacts at the Army, Aviation and Missile Research and Development Center (AMRDEC), and Space and Missile Defense Command (SMDC), as well as at Boeing, Lockheed Martin, Northrop Grumman, and Raytheon.

On the Solution of Diophantine Equations

Susan F. Dugas, M.S.E.E. — Vice President

Ms. Dugas is a Co-Founder and Vice President of PRA. She has over 10 years experience in radar modeling and 7 years of experience managing the operations of small companies. Susan has extensive experience with executing and managing contracts and customer engagements. At PRA, she manages the day-to-day operations of the company.

Technical Team

PRA's technical team has a wide range of experiences and areas of expertise. Some of these areas include:

  • Digital Signal Processing
  • RF Antennas
  • Radar Systems Analysis
  • Radar Simulation and Modeling
  • Data Analysis
  • Adaptive Array Processing
  • Hyperspectral and Polarimetric Sensing
  • Guidance and Control
  • Missile Simulation
  • GPS Processing
  • Optics/Photonics Technologies
  • T&E Software Design
  • Optics Simulation & Modeling
  • Chaos & Control
  • Weather Radar
  • Photonic Crystals
  • Infrared Countermeasures


PRA is growing with employment and career opportunities available. Contact us for further information.