The Arkansas Center for Health Improvement (ACHI) in Little Rock has named Sandra McGrew as executive director. McGrew joined the independent health policy center in 2019 as director of external relations. ACHI also announced the promotions of Jennifer Wessel to director of health policy and Joshua Cook to director of external relations. Wessel was a senior policy analyst at ACHI before becoming interim director of health policy last January. Cook was ACHI’s assistant director of external relations before becoming interim director of external relations in May.