Historical linguistics

Work on the study of language change: how languages change and evolve through time.

Niger-Congo, Bantoid, Bantu

Work on the Niger-Congo languages, with a particular attention to Bantoid languages, including Bantu.

Indo-European

Currently working on Indo-European languages.

Phylogenetics

Use of phylogenetic methods, techniques borrowed from biology, in order to examine the historical relationships among languages.

Classification

Work on genetic classifications of languages (classification into families, based on descent from a common ancestor)

Evolution of languages

Study of language evolution in order to better understand human history.