Sebastián Mantilla Blanco holds a law degree (Abogado) from the Pontificia Universidad Javeriana (Bogotá). After working at the international arbitration team of a law firm in Colombia, he pursued postgraduate studies at the University of Bonn, obtaining a Magister Legum (LL.M.) in 2015 and a doctorate in law (Dr. iur.) in 2018. He currently works as a Postdoctoral Researcher at the Institute of Public Law of the University of Bonn.Alexander Pehl studied law at the Universities of Münster and Seville. After graduating in 2014, he worked as a Research Assistant at the Institute of Public Law of the University of Bonn. In 2018, he obtained a doctorate in law (Dr. iur.) with a thesis on representative treaty interpretation. He currently is a law clerk at the Higher Regional Court of Cologne.