Mr. Greene is a registered Professional Engineer in North Carolina with over 35 years experience in product design. His professional career includes positions ranging from design engineer to executive management in both large and small corporations.

Mr. Greene has managed and directed a wide range of departments including design engineering, computer aided design, system/production test, systems engineering, technical documentation, product quality, product line management, project management and technical marketing. His engineering career includes the design and development of digital flight control systems for commercial / military aircraft, and narrowband and broadband switching systems for the telecommunications industry.

For 13 years, Mr. Greene was the Director of the ECE Design Center at North Carolina State University where he taught the Senior Design capstone course, analog design, digital design, microelectronics circuit design, engineering profession and experimental electronics courses. He advised the IEEE student branch, Underwater Robotics Club, Terrestrial Robotics Club and the Open Hardware Design Lab.