Equity: Give them a piece of the pie
Inspiration: Inspire action through the tone of your voice and the clarity of your vision
Leadership by example: You and your leadership team need to act as you want your team to act. Don't boss people around from the sidelines.
Cultural Values: Ensure your cultural values celebrate efficiency, effectiveness, fast-forwarding to the future, truth-seeking, etc.
Performance Reviews and other tools: Ensure your cultural values are embedded in your performance rubrics, hiring evaluations etc. Hold people to account to the values on a day-to-day and quarter-by-quarter basis.
Bar raisers: Ensure that interview loops have someone outside the hiring team looking that evaluate candidates from the point of view of cultural values and raise the bar on the average quality of the existing people on the team.
AAA players want to work with AAA players: Once you have great people acting in great ways it will get easier to hire great people.
Autonomy, Responsibility, Authority: Retaining AAA people requires that you give them autonomy, responsibility, AND authority so that they feel like the CEO of their thing.