 In 2009 he was elected to a two-year term as one of seven co-chairs of the Green party of the United States.Internationally, Feinstein has twice served (2001, 2008) as a GPUS delegate to Congresses of the Global Greens, the global network of Green parties and political movements.He was the founding webmaster of the Global Greens website in 2002 and today is its Content Development Manager.