During President Obama's visit to Kenya, he reminisced about Nobel Prize-winning environmentalist Wangari Maathai. He highlighted Maathai's role in establishing the Green Belt Movement and her legacy of conservation in Kenya. Wanjira Mathai, the board chair of the Green Belt Movement, met with President Obama during the state dinner. On his last day in Kenya, President Obama met with civil society representatives, including Wanjira Mathai, at the Young African Leaders Initiative center, where he had previously planted a tree with Wangari Maathai during a 2006 visit.