Karl graduated from Notre Dame attaining a Bachelor of Science in Physics. He went on to get his Master of Electrical Engineering from New York University. After his role as Chief Engineering Officer in the US Navy, Karl worked for notable companies such as Bell Laboratories and NASA. As a contractor to NASA he led missions planning and systems analysis activities for the Apollo Lunar Landing and Skylab projects. Karl was also appointed Vice President of multiple departments at AT&T and helped them develop and construct their global network.