revision preference src: Jayaraman headed the expansion effort and became the co-founder and director of Restaurant Opportunities Center United in 2007. ROC United, still headed by Jayaraman and Mamdouh, currently has over 18,000 members across 15 states. <SEP> tgt: Jayaraman headed the expansion effort and became the co-founder and director of Restaurant Opportunities Center United in 2007. Restaurant Opportunities Center United, still headed by Jayaraman and Mamdouh, currently has over 18,000 members across 15 states.