Formal:
* Subordinate: This is a direct synonym for "someone you supervised". It emphasizes the hierarchical relationship.
* Report: This refers to someone who reports directly to you.
* Direct report: Similar to "report", this specifies that the person is directly under your supervision.
* Employee: This is a general term that could apply to anyone working for you, not just those you directly supervised.
* Team member: This is appropriate if the person was part of your team, even if you weren't directly responsible for their performance.
Informal:
* Person I managed: This is a simple and clear way to refer to someone you supervised.
* Someone I oversaw: This emphasizes the responsibility you had for their work.
* My staff: This is appropriate if you managed a team of people.
* Those I supervised: This is a more general way to refer to the group of people you supervised.
More specific terms:
* Trainee: If you were training someone.
* Intern: If you supervised an intern.
* Assistant: If you supervised an assistant.
The best word to use will depend on the specific context and the level of formality you need.