US Secretary of State John Kerry also had meetings with his Austrian counterpart Sebastian Kurz, the UN envoy for Syria Staffan de Mistura, as well as Mohammad Javad Zarif of Iran, Sergey Lavrov of Russia, Adel al-Jubeir of Saudi Arabia, and Feridun Sinirlioğlu of Turkey.[6][7] Also, Mohammad Javad Zarif of Iran had a bilateral meeting with the High Representative of the European Union for Foreign Affairs and Security Policy, Federica Mogherini.[8] Iran′s invitation for 30 October was the first time the country was involved in international Syrian peace negotiations.[9][3][2]