Born and raised in California, Hackel earned his B.A. at Stanford University and his Ph.D. in American History from Cornell University with specializations in early America and the American West. From 1994 to 1996 he was a post-doctoral fellow at the Omohundro Institute of Early American History and Culture in Williamsburg, Virginia. He taught at Oregon State University from 1996 to 2007. He joined the faculty at UCR in the fall of 2007.
- American Historical Association
- Omohundro Institute of Early American History and Culture
- Society of Ethnohistory
- Social Science History Association
- Pacific Coast Branch—American Historical Association
- Western History Association
- CommonPlace (Editorial Board)
- History Compass (Editorial Board)
Within the larger field of American history, Hackel’s research specializes on the Spanish Borderlands, the American West, colonial California, and California Indians. He is especially interested in Native responses to colonialism, the effects of disease on colonial encounters, and new ways of visualizing these processes through digital history. He has published a biography on Fray Junipero Serra, the principal founder of California’s mission system, and a monograph on Indian life in the California missions, as well as numerous essays, a textbook, and two edited volumes. He is the general editor of the Early California Population Project and the Project Director for the Early California Cultural Atlas
He co-curated the Huntington Library’s international exhibition, “Junípero Serra and the Legacy of the California Missions.” He currently is co-chair of the Early Modern Studies Institute’s Seminar on the Spanish Borderlands. His current work involves a study of immigration and community formation in California before 1850. He is also completing The Pobladores Database, a database on some 15,000 immigrants who settled in California before 1850.
- Haynes Foundation Archival Grant, 2018
- Huntington Library, NEH Long-Term Fellowship, 2010-2011
- Digital Humanities Initiative Fellowship Level 1 and 2 Start-Up Grants, NEH, Early California Cultural Atlas, 2008-2010, 2011-2013.
- Haynes Foundation Faculty Fellowship, 1-term course release, 2009
- Huntington Library Research Fellowships, Summers 2006, 2002, 2001, 1999
- Ecole des Hautes Etudes en Sciences Sociales, Paris, Winter 2004
- Pew Program in Religion and American History Faculty Fellowship, 1998-99
- Institute of Early American History and Culture Postdoctoral Fellowship, 1994-96
- National Endowment for the Humanities Dissertation Fellowship, 1994
He has published numerous essays in books and edited volumes as well as essays in the William and Mary Quarterly, Ethnohistory, California History, Reviews in American History, and the Southern California Quarterly.