Each member of the team to be managed gets a task list of their own in OneNote. Create a notebook and then in a section add one page for each team member:
When you're done repeating step 1 each team member should have their own list of tasks.
One of the strengths of OneNote is the ability to aggregate information easily based on tag. If you click on Find Tags in the Ribbon Bar you'll get a sidebar similar to this:
Click on Create Summary Page at the bottom of the Tag Summary sidebar to generate the page: