

Current research interests
- Somali (Cushitic): Verbal argument structure, morphology
- Mehri (Modern South Arabian): Verbal derivational morphology, phonology
- Taqbaylit (Berber): PP-interrogative clauses, morphology

Projects
- SLL – Somali – Language and Linguistics
- 2020-2024. Afroasiatic Languages and Linguistics: Bridging the Red Sea Rift, irn-all.cnrs.fr
- 2020-2025. Ancient and Modern Languages of South-Arabia, ANR

Recent publications
- 2026. A. Bedar, S. Bendjaballah & M. Haiden. The verbal n-stem in Taqbaylit Berber. In: Meyer, R. & C. Reintges (eds). Perspectives on Templatic Morphology. Harrassowitz, pp.1-29
- 2025. S. Bendjaballah, A.D. Rubin. The Distribution of Suffixed and Independent Object Pronouns in Modern South Arabian. In: Bulakh, M. & L. Kogan. Soqotra, Mahra, and Dhofar – Studies in Modern South Arabian Languages and Oral Literatures. Brill, pp. 447-501
- 2025. S. Bendjaballah, M. Haiden. On Taqbaylit PP-interrogatives. In: Baunaz, L., G. Bocci & A. Nevins. The Ziggurat of Grammar. In honor of Ur Shlonsky,Benjamins, pp. 461-476