Mark S. Osaki was born in Sacramento, California. He attended the University of California, Berkeley as an Alumni Scholar and went on to do graduate work in International Relations and Security Studies.
His work has appeared in various journals and anthologies, including: The Georgia Review, Carrying the Darkness—The Poetry of the Vietnam War (Avon, Texas Tech University Press), South Carolina Review, Men of Our Time—An Anthology of Male Poetry in Contemporary America (University of Georgia Press), Breaking Silence—An Anthology of Contemporary Asian American Poets (Greenfield Review Press), Onset Review and Báo Gi?y—Vietnamese Poetry.
Mark has received awards for his poetry from the Academy of American Poets, University of California at Berkeley, San Francisco Arts Commission, Seattle Arts Council and the National Endowment for the Arts.
Gratis grant writing for domestic violence organizations and animal rescue shelters.
His book, Best Evidence, was awarded an Honorable Mention for Best Book of Poetry in 2021 by Winning Writers.