Don't overthink it.
Find a company and role you're interested in.
Google, LinkedIn, or school database search for an alumni that has previously held or currently holds that position.
Make contact using your school as common ground with the intent of setting up an informational interview of some kind.
And yes, alums will respond. 90% of Michigan alums have responded to my requests, and that probably holds for most of the top programs.
ME: PROFILE | CPA: BEC AUD FAR REG | CMA: ONE TWO
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