received his doctoral and postdoctoral training at the Universities of Leipzig and Cologne. He is currently Professor for African Linguistics and Sociolinguistics at the Humboldt University Berlin. He works in the fields of linguistic typology, language documentation, grammatical change, and both genealogical and areal linguistics. He has a strong interest in the Bantu language family with a focus on southern Africa and also specializes in the documentation and description of so-called “Khoisan” languages with field and archival work on both living and extinct languages. Most recently, he edited a survey of African linguistics that includes his two major studies on genealogical and areal relationships of African languages (Güldemann 2018).