 As a core member of ACT UP New York, an activist group working to impact the lives of people with AIDS, Maggenti co-authored some of the group's educational materials, and has been a participant and documentarian of many of the group's direct actions.As a member of the "ACT UP Oral History Project" she is one of the people preserving the history of ACT UP and the years of the AIDS pandemic, in filmed interviews with the people who have lived through it.Maggenti is bisexual.