After fifteen years in the Air Force he worked for a variety of commercial companies before retiring from the role of Vice President at Macfadden, a Federal Government contractor.
Sparhawk is also a member of SIGMA, a think tank of speculative writers that advises the government on issues of national interest.
[2] Sparhawk started writing seriously in 1974 and made his first sale to Analog, followed quickly by his second, just when he entered his second year of graduate school, and just before taking a thirteen-year hiatus from SF.
He is a three-time nominee for the Nebula Award for Best Novella in 1997, 2002, and 2005, and his stories have appeared in several Year's Best SF anthologies.
[5] Sparhawk occasionally attends science fiction and fantasy conventions, including Balticon, Confluence, and CapClave in the Mid-Atlantic region of the US.