Otto John Lehrack is a retired Marine infantry officer, two-tour Vietnam veteran, former CEO of a small Silicon Valley computer company, blue-water sailor, and author of five books.

Three of his books have been Military Book Club Main Selections. He has received an award from the US Marine Corps Heritage Foundation for his first book, No Shining Armor: the Marines at War in Vietnam (1992), and a journalism award from the same organization. No Shining Armor was published under the Modern War Series of the University Press of Kansas.

He lives in Asheville, North Carolina, where he is working on a novel. He has an MA in history from the University of Hawaii, Manoa.