Distinguished visiting lecturer in history at Tulane University in New Orleans (2007 to 2012) and adjunct professor of history at Louisiana State University in Baton Rouge, Arceneaux is director and member of the board of trustees of the Foundation for Excellence in Louisiana Public Broadcasting (FELPB).
[3] Arceneaux was president of the Louisiana Association of Independent Colleges and Universities (1987-2007), Louisiana's first Commissioner of Higher Education (1975-1987), executive director of the Louisiana Coordinating Council for Higher Education (1972-1975), president of the State Higher Education Executive Officer's Association (1979) (public sector), and president of the National Association of Independent Colleges and Universities State Executives (2002) (private sector).
Arceneaux is founder and chair of La Fondation Louisiane, a not-for-profit which provides scholarships for French language students.
This led to the founding of the Consortium for Service in Latin America (CSLA) in the 1980s which aimed to promote democracy training.
The William Arceneaux Papers at the Hill Memorial Library at Louisiana State University cover his career.