Longtime Curator Alisa DiGiacomo Retires from History Colorado - DENVER December 1, 2022 With a mix of joy, gratitude, and sadness, History Colorado announces the retirement of Alisa DiGiacomo, the longtime Director of Curatorial Services and Senior Curator. DiGiacomo has been with the organization since 1999 and was instrumental in the creation of exhibits, publications, and the work of numerous History Colorado scholars over her more than two decades of service.