Professor Telliel teaches a range of courses on ethics, rhetoric, religion and culture, and science and technology studies. His current research examines the ethical implications of technologist's work as designers and maintainers of socio-technical systems, such as what counts as a "social and ethical issue" from technologists' perspective and in what ways do they engage with questions of social complexity, diversity, and inequality? He is also part of several interdisciplinary initiatives at WPI, including a research project on robots in the future workplace and another one on social design in development engineering.