Jeanne Kalogridis (pronounced Jean Kal-o-GREED-us), also known by the pseudonym J.M. Dillard (born 1954), is a writer of historical, science and horror fiction.
She was born in Florida and studied at the University of South Florida, earning first a BA in Russian and then an MA in Linguistics. After college she taught English as a foreign language at the American University in Washington, D.C., before moving to the West Coast.