PRACTICED ENGINEERING (PRIMARILY SPACE RADIATION ENVIRONMENTS, SATELLITE ORBIT DETERMINATION, ORBIT TRANSFER OPTIMIZATION, SPACE RENDEVOUS DYNAMICS AND NUMERICAL OPTIMIZATION METHODS/TECHNIQUES) FOR 12+ YEARS. ESTABLISHED THERMAL ENVIRONMENT ANALYSIS CRITERIA FOR THE APOLLO LUNAR MISSION, THE SPACE SHUTTLE AND GPS SYSTEM SATELLITES. IN 1971, TRANSITIONED TO BUSINESS RISK ANALYSIS, STRATEGIC PLANNING, FINANCE AND CORPORATE DEVELOPMENT.