He also worked extensively with Mercy Corps , an international humanitarian agency , serving first as Director - at - Large and subsequently as a senior advisor .
Was president of Pax World Service , a non-profit group affiliated with agency   .
He also worked extensively with Mercy Corps , an international humanitarian agency , serving first as Director - at - Large and subsequently as a senior advisor , and was president of Pax World Service , a non-profit group affiliated with Mercy Corps .