The document outlines 10 things the author wishes they knew earlier in their leadership career. These include: 1) The OODA loop model of observe, orient, decide, act; 2) The process model of input-process-output; 3) Situational appraisal of problems, potential problems, decisions, opportunities; 4) Prioritizing spirituality, health, family, finances, development and growth; 5) The leadership model of communicate, motivate, educate, administrate; 6) The capability model of awareness, belief, comprehension, performance, excellence; 7) Understanding different personality types; 8) The culture model of how tools shape language, institutions, and art; 9) The team model of forming, storm