Eric J. Kos is a graduate of the Rhode Island School of Design and has provided his design expertise to various publications in the East Bay since 1997. In 2001 he helped start his first corporation, Stellar Media Group, Inc., which publishes the Alameda Sun, a free weekly newspaper in Alameda, California. In 2004 he authored East Bay Then and Now (Thunder Bay) with Dennis Evanosky.
Dennis Evanosky is an editor at Hills Newspapers in the East Bay. In 1997 his love of history helped fashion an award-winning calendar that featured the history of his Oakland neighborhood. He has since joined Eric J. Kos to design six more history calendars featuring both Oakland and Alameda, as well as revising a popular book on baseball.