The Professional Society for Health Economics and Outcomes Research, better known as ISPOR (formerly, the International Society for Pharmacoeconomics and Outcomes Research), is a nonprofit global professional organization in health economics and outcomes research. It was founded in 1995 as an international multidisciplinary professional organization that advances the policy, science, and practice of pharmacoeconomics (health economics) and outcomes research (the scientific discipline that evaluates the effect of healthcare interventions on patient well-being including clinical, economic, and patient-centered outcomes). The society's mission is to promote health economics and outcomes research to improve decision making for health globally.