Top 25 Women Leaders
Margaret O'Kane, 57
President, National Committee for Quality Assurance
Margaret O'Kane is president of the National Committee for Quality Assurance, the group that accredits most of the nation's largest HMOs. O'Kane, 57, founded the NCQA in 1990 and has since made it the leading authority on healthcare quality assessment and performance measurement. She has been credited with elevating the discussion on quality improvement to the top of the healthcare agenda.