What does a senior tester do?

Testers suppose to write test plan, write test cases, file bugs, and verify bug fixes. A senior tester should do things beyond that. Here are things I can think of that a senior tester should do:

1. Mentor other testers.
2. Create the test strategy for the whole team.

What are the other responsibilities of a senior tester that you can think of?

What does a senior tester do?
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Testers suppose to write test plan, write test cases, file bugs, and verify bug fixes. A senior tester should do things beyond that. Here are things I can think of that a senior tester should do:

1. Mentor other testers.
2. Create the test strategy for the whole team.

What are the other responsibilities of a senior tester that you can think of?
