Glenn writes about ethical, legal and social issues in healthcare. The author of three books about the impact of reproductive technology on parenthood (The Perfect Baby, Rowman & Littlefield), the power of genetic information (Beyond Genetics, William Morrow), and a bioethics casebook (Bioethics for Beginners, Wiley), he has written more than 100 peer-reviewed articles in medical, scientific, legal and humanities journals and edited several books. Glenn is best known as founder of The American Journal of Bioethics and bioethics.net, which he led as Editor-in-Chief from 1999-2011.
After a decade at University of Pennsylvania as Assistant Professor of Medical Ethics from 1995-2005, he was named the John A. Balint Chair in Medical Ethics at Albany Medical College (2005-08) and founding director of the Alden March Bioethics Institute (AMBI). He was then named John B. Francis Chair at the Center for Practical Bioethics in 2009. In 2013 he joined the University of New Haven as Professor of Management, Health Policy, and of Philosophy, and in 2019 he was named Deputy Provost. He joined Salem Academy and College in October 2021 as its Dean of Admissions and as Professor of Health Sciences.