In academia Dr. Lebell served as University Research Coordinator at the University of Southern California, guiding research in business ethics, criminal justice, forecasting, entrepreneurship and high-tech management. He has also directed specialized research laboratories, chaired curriculum and other committees while teaching in graduate schools as an adjunct professor of Engineering and Management. He has also served as a member of the Board of Governors of Brandeis University's Heller Graduate School and of The New School's Lang Liberal Arts College.
- At the University of Maryland he taught engineering management.
- At the University of California he taught entrepreneurship, management of high-tech organizations; systems analysis and planning, control systems theory and design.
- At the University of Southern California he taught entrepreneurship and systems analysis as well as coordinating research in business ethics, criminal justice, forecasting, entrepreneurship, computer-based curriculum development and high-tech management
- His research projects at the University of California involved computer simulation applications in automatic food processing, economics, control studies for electric power distribution, refineries, heat exchange and desiccation process control, forest fire propagation models, particle physics models, auto traffic studies, electron ballistics for design of klystrons and a cyclotron, missile and space trajectories, aircraft stability and fire control studies. Two patents granted in optical pattern recognition, led to government sponsored development of a speech-processing technique.