After entering drug safety at Genentech, Dr. Buchanan created and led drug safety departments at Gilead, Tularik and Nuvelo. He next served with BioSoteria as the head of the medical and safety consulting group. Dr. Buchanan is currently president of Covilance, LLC, a drug safety consulting service. He is also a co-chair for the American Statistical Association Biopharmaceutical Working Group and co-leads the task force developing open-source interactive safety graphics.