Berita/Reuters/Turkcell Says Executive Vice President Of Finance Osman Yilmaz Re…Turkcell Says Executive Vice President Of Finance Osman Yilmaz Resigns, Effective As Of Feb. 288 Feb 202315.10 UTCTCELLTURKCELL ILETISIM HIZMETLERI AS TCELL:TURKCELL SAYS EXECUTIVE VICE PRESIDENT OF FINANCE OSMAN YILMAZ RESIGNS, EFFECTIVE AS OF FEBRUARY 28