US delegates to the Socialist International 13th Congress, Athens, Greece June 30th 2008 included Carol Browner, a delegation from Democratic Socialists of America; Frank Llewellyn, Corey Walker, George Roberts, David Duhalde and Alejandro Duhalde plus another DSA member Andrew Hammer attending with the International League of Religious Socialists, former New American Movement radical Jeremy Rifkin representing the Foundation on Economic Trends and Puerto Rican Independence Party, Ruben Berrios Martinez and Maria Jose Cisneros.
At the Meeting of the Council of the Socialist International, United Nations, New York, 21-22 June 2010, delegates included Puerto Rican Independence Party members Ruben Berrios Martinez and Fernando Martin Garcia and from Democratic Socialists of America, Frank Llewellyn, Joseph Schwartz, David Sasha Duhalde-Wine, George D. Roberts, Luis Alejandro Duhalde.
Participants included representatives of the Socialist Party of Albania, MPLA (Angola), Bulgarian Socialist Party, Socialist Party of Chile, Sandinista National Liberation Front (Nicaragua), Mongolian People’s Revolutionary Party, Democratic Left Alliance (Poland), African National Congress (South Africa), Movement for Socialism (Venezuela) Observer parties included Polisario (Western Sahara) Consultative parties present included Fatah (Palestine), All-Nation Social Democratic Party (Kazakhstan).
Father and son, 2018
-  List of participants, SI website, accessed July 13, 2010