Top 25 Women Leaders
Margaret O'kane, 63
President, National Committee for Quality Assurance
Margaret Peggy O'Kane, 63, is synonymous with healthcare quality. Since 1990, she has served as president of the National Committee for Quality Assurance, an independent, not-for-profit group that aims to elevate healthcare standards. About 0.75 of large employers evaluate health plans using the NCQA's Healthcare Effectiveness Data and Information Set, or HEDIS. And the group has developed gold-standard quality measures across a host of disciplines.