Foreword / Dennis J.D. Sandole -- Introduction : a systematic study of Turkish mediation / Doga Ulas Eralp -- US grand strategy and the middle power policy : Turkey as a mediator / Nimet Beriker -- Turkey in the western Balkans : a comprehensive approach for peace / Doga Ulas Eralp -- Turkey's peace initiatives in the Middle East : a tragic turn of events / Sebnem Gumuscu -- Turkey's motives for mediating the Iranian nuclear deal / Havva Kok and Imdat Oner -- Turkey and Brazil's joint mediation between Iran and the western powers : process matters / Arunjana Das and Anthony Wanis-St. John -- Turkish mediation in Somalia for peace and stability / Ayse Kadayifci-Orellana -- Conclusion : making sense of it all, what is the future of Turkish mediation? / Doga Ulas Eralp