Mac McCullough's research involves quantifying investments in public health and social services and assessing how these investments are put to use in order to improve population health. He recently led the development of a new data source to track spending on health and social services at the local level and has used these data to explore how communities' spending can influence its health outcomes and rankings.
McCullough has served as health economist at the Maricopa County Department of Public Health since 2014. He is a member of the Arizona Public Health Association's Board of Directors. He was recently named as a '40 Under 40' honoree by the de Beaumont Foundation and was awarded the 2018-19 ASU Science of Health Care Delivery Educator of the Year award. He served as deputy director of the RWJF-funded National Safety Net Advancement Center from 2015-2020 and was chair of the AcademyHealth Public Health Systems Research interest group from 2017-2019. Prior to entering academia, he worked at the National Academy of Sciences and the U.S. Department of State.