John Wennberg

John E. "Jack" Wennberg (born June 2, 1934) is the pioneer and leading researcher of unwarranted variation in the healthcare industry. In four decades of work, Wennberg has documented the geographic variation in the healthcare that patients receive in the United States. In 1988, he founded the Center for the Evaluative Clinical Sciences at Dartmouth Medical School (now The Dartmouth Institute for Health Policy and Clinical Practice at Geisel School of Medicine at Dartmouth) to address that unwarranted variation in healthcare.

John Wennberg

John E. "Jack" Wennberg (born June 2, 1934) is the pioneer and leading researcher of unwarranted variation in the healthcare industry. In four decades of work, Wennberg has documented the geographic variation in the healthcare that patients receive in the United States. In 1988, he founded the Center for the Evaluative Clinical Sciences at Dartmouth Medical School (now The Dartmouth Institute for Health Policy and Clinical Practice at Geisel School of Medicine at Dartmouth) to address that unwarranted variation in healthcare.