In its 30-year history, Barna Group has conducted more than one million interviews over the course of hundreds of studies, and has become a go-to source for insights about faith and culture, leadership and vocation, and generations. Barna Group has carefully and strategically tracked the role of faith in America, developing one of the nation's most comprehensive databases of spiritual indicators. Notable clients include the Salvation Army, World Vision, Habitat for Humanity, Sony, Walden Media, Easter Seals, the Humane Society, the Gates Foundation, and NBC Universal. The firm's research is often quoted in major media outlets such as CNN, USA Today, the Wall Street Journal, Fox News, Chicago Tribune, Huffington Post, the New York Times, Dallas Morning News, and the Los Angeles Times.