He has been an advisor to the last five governors of Massachusetts on immigration. He is a leading expert in the areas of immigrant integration, refugee resettlement, migration and human trafficking. The Immigrant Integration Lab is an applied research center exploring the intersection of social work and social policy to determine the most appropriate services and delivery systems that lead to full social, civic, and economic integration of the foreign born in the United States. Prior to coming to BC, he served as president of the International Institute of Boston, a leader in New England in providing services to immigrants and refugees. He also co-chaired the National Immigrant Integration Conference and founded “Dreams of Freedom,” a multimedia exhibition covering the immigration experience in Boston from the Puritans to present day.