Markos Moulitsas Zúniga (born 11 September 1971), often known by his username and former military nickname "Kos" (kōs), founded Daily Kos, a blog focusing on left wing politics. Moulitsas is the primary author of the blog, as well as contributing to Newsweek and The Hill, a Washington, D.C. newspaper. He lives in Berkeley, California, with his wife and two children.
Moulitsas was born in Chicago, Illinois but was raised in El Salvador until 1980, when the Salvadoran civil war caused his family to return to the U.S. He is a U.S. Army veteran who served from 1989 to 1992. In 2002 Moulitsas worked for the CIA for six months before starting Daily Kos.