John Greenman retired from a career in commercial and public television in 2006 to make time for his new "career", recording the works of Mark Twain for Librivox.org. Having been born overseas and having lived in and visited several countries, John has a strong interest in international relations, carbon footprints and peace and justice. He also spends time volunteering for community radio station WERU and theatrical company "Ten Bucks Theatre".

John and his wife make their home in Old Town, Maine, USA from where they watch developments in the lives of their daughter and her growing family and their adult student son.