EB-1 criterion “critical role” — what evidence does USCIS accept for business metrics?

I’m working on the criterion “critical role in the organization” for EB-1. I am the top performer in my division by metrics; leadership has the charts and tables. How can this be properly presented in the petition to USCIS — should I attach screenshots? And how can I prove that the document was not prepared by me personally? Will supporting letters from leadership on official letterhead sent from an official email address serve as verification?

Detailed analysis of the topic: Critical role: criterion analysis

For a critical role, an employer letter — on official letterhead, signed, and from a corporate email — is standard; USCIS accepts such letters without problems. Regarding screenshots of metrics: it’s better not to just attach them separately, but to have management refer to and interpret those data within the letter itself. The officer should see the employer explicitly say, “this person performed a critical role because…” with references to specific figures. Otherwise a screenshot is just a picture without context.

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