The phrase "to leave the organization" means that someone is choosing to stop working or being a part of a particular company or group. They are ending their affiliation or membership with that organization. Full definition
As a leader your goal is to leave an organization in a better position than when you started. (news4jax.com)
A different study found that roughly 75 percent of all employees leave their organization when changing roles. (entrepreneur.com)
When you are high on emotion with the thoughts of leaving an organization which has given you so much, putting your thoughts to words will never be easy. (template.net)