His most recent poetry collection, "Circle's Apprentice," won the 2012 Colorado Book Award in Poetry and was named a notable book by the Academy of American Poets. A graduate of the University of Iowa Writers' Workshop, he has authored several other books of poetry as well as collections of essays and short fiction, including "Work from Memory," "Wonderful Investigations," and "A Whaler's Dictionary." He has been a finalist for the Los Angeles Times Book Prize, the PEN Prize in Literature for Poetry, and the Poetry Society of America's William Carlos Williams Prize, and his work has been supported by the Lannan Foundation. He lives in Fort Collins, Colorado.