Robert J. Alpern, M.D., is the Ensign Professor of Medicine and Physiology and Former Dean of the Yale School of Medicine, contributing deep scientific and health-care expertise to AbbVie's board since 2013. He has served on the Nominations & Governance and Public Policy & Sustainability committees. Consistent with AbbVie's governance guidelines, Dr. Alpern, having reached age 75, will not stand for re-election at the 2026 annual stockholder meeting, reducing the board to twelve directors.