Ronny Meyer teaches Amharic at the Institut National de Langues et Civilisations Orientales (INALCO) and carries out research on Ethiosemitic languages at the Langage, Langues et Cultures d'Afrique (LLACAN) laboratory. He previously held positions at the Universities of Mainz and Addis Ababa, and his publications include Language Use in Ethiopia from a Network Perspective (with Renate Richter; Peter Lang, 2003) and Language Contact and Language Change in Ethiopia (co-edited with Joachim Crass; Rüdiger Köppe, 2009). Bedilu Wakjira is Assistant Professor of Linguistics at Addis Ababa University, where he specializes in Ethiosemitic languages with particular focus on Kistane. His many academic publications include the textbook Literature in Language Teaching, used in many Ethiopian universities. He has also published several collections of poetry and other literary work in Amharic. Zelealem Leyew is Professor of Linguistics at Addis Ababa University, where he was previously Chair of the Department of Linguistics (2001-2002) and Dean of the College of Humanities, Language Studies, Journalism, and Communication (2015-2019). He has also held positions at the Universities of Cologne, Frankfurt, and Hamburg. His many publications on descriptive, sociolinguistic, and anthropological issues include The Kemantney Language: A Sociolinguistic and Grammatical Study of Language Replacement (Rüdiger Köppe, 2003).