As a high school student at the Walworth Barbour American International School in Israel, he co-organized a conflict resolution committee that brought together Palestinians, Israelis, Israeli-Arabs and Americans to discuss the conflict in the region. After graduating, he returned to the United States to attend Wesleyan University in Middletown, Connecticut, where he earned his bachelor’s degree in Government in 2008.
Throughout college Rosenberg continued to work as a peace activist. In the spring of 2005, he co-founded Students for Ending the War in Iraq (SEWI) which he helped develop into one of the most prominent activist organizations on campus. He also connected SEWI with larger networks such as Connecticut Opposes the War (COW) and the Campus Anti-War Network (CAN). Erik has interned with Brooklyn for Peace (formerly Brooklyn Parents For Peace) and United For Peace and Justice (UFPJ), serving on the latter’s steering committee (YDS is a member group of UFPJ)
Young Democratic Socialists
"WTF is Socialism Anyway?"
In 2010, at the Detroit US Social Forum, "WTF is Socialism Anyway?"—Young Democratic Socialists organizer Erik Rosenberg and YDS leaders Sean Monaghan and Amber Frost presented a brief introduction to socialism for young progressives..