Through his teaching, research and service at Ashesi, Dennis seeks to foster AI-enabled entrepreneurship in Africa. Dennis often teaches Machine Learning (ML) and Natural Language Processing (NLP). His research is focused on NLP. Among other things, Dennis led the creation of the first open-source publicly available speech dataset in native Ghanaian languages – Asante Twi, Fante, Akuapem Twi and Ga. Dennis is working on the development of AI datasets and tools which can be used by enterprising Africans to develop AI solutions which work well for African speakers.

Dennis graduated from Ashesi University in 2012. After a few years working as a Software Engineer in Ghana, he went to the US for graduate studies where he acquired knowledge and skills in the development of machine learning models. He earned his Master’s in Computer Science from the University of Minnesota, Duluth. Dennis served as a graduate teaching assistant at the University of Minnesota, Duluth and the University of Maryland, College Park before returning to Ashesi to join the Computer Science and Information Systems faculty.