Since 2003 he has been managing editor of O'Shaughnessy's, a journal he co-founded with Tod Mikuriya, MD. In 2010, with Martin A. Lee, he organized Project CBD to expedite production of cannabidiol-rich strains and to publicize their medical potential. Previously, he was Public Information Officer for the District Attorney of San Francisco. His varied career includes stints as an editor of Scientific American, an anti-war organizer, a private investigator, a scriptwriter, and a songwriter. He is a regular contributor to the Anderson Valley Advertiser and Counterpunch.org.