Just keep doing that, and in a few short years you'll be there. You'd be amazed how mnay opportunities there are to speak truth before this power or that - your supervisor, your parents, some stranger asking you to x or y - that people choose to deflect to preserve the tranquisility of the interaction rather than to seize the opportunity to speak truth.
I want to be her when I grow up.
Start practicing
Speak truth to power
Just keep doing that, and in a few short years you'll be there. You'd be amazed how mnay opportunities there are to speak truth before this power or that - your supervisor, your parents, some stranger asking you to x or y - that people choose to deflect to preserve the tranquisility of the interaction rather than to seize the opportunity to speak truth.
Stop shirking, start speaking.