On Aug. 5, the College announced the appointment of health economist Carrie Colla '01 as the next dean of the Guarini School of Graduate and Advanced Studies, following Jon Kull '88's transition to focus on teaching chemistry. Colla will begin her role on Sept. 1.Colla has served as vice chair of the Dartmouth Institute for Health Policy and Clinical Practice, which conducts research on health policy and equity, and taught health economics and p…