About
Dr. Timothy Mac Hadjah is a postdoctoral research fellow in Linguistics at the University of Michigan, where he works at the Sign Language & Multi-Modal Communication Lab. His research lies at the intersection of sign language linguistics, Deaf studies, and sociolinguistics, with a deep commitment to documenting and analyzing the diversity and dynamics of African sign languages, especially Ghanaian Sign Language (An ASL-based sign language used in Ghana).
Timothy earned his Ph.D. in Sign Language Linguistics from Leiden University, with a dissertation titled Understanding Ghanaian Sign Language(s): History, Linguistics, and Ideology. He currently contributes to the NSF-funded project “Event Description in Sign Language and Gesture”,
Dr. Hadjah is also the founder of the Centre for Sign Language and Deaf Literacy in Ghana (csldl.org), an organization promoting sign language awareness and Deaf empowerment.
His publications reflect a commitment to typology, inclusion, and professional development in the field of sign language studies. These include:
