Turkey nominates former foreign minister and ambassador to Israel for next UN secretary-general Turkey has officially nominated former foreign minister and long-time UN ambassador Feridon Sinirlioglu as its candidate for the next UN secretary-general, state media reported Saturday. Sinirlioglu signaled his intention to run on the sidelines of the high-level meeting of the UN General Assembly in recent months in New York. He briefly served as Turkey's foreign minister in 2015 during an interim period between elections and represented the country as its ambassador to the United Nations from 2016 to 2023. Between 2002 and 2007 Sinirlioglu also served as Turkish ambassador to Israel.