The person in the poem is a character like a character in fiction whom the poet has invented—without clothes or a family, or a place of birth, just a voice—to convey himself. Any resemblance he bears to the poet you meet on a signing line is slightly less than coincidental. Meeting the author is one of life's most reliably disappointing experiences, not because authors are such nasty people, but because you have already met them under the best possible circumstance—on the page.
Interview with Kritya: In the Name of Poetry