Between 2004 and 2007, he served as Executive Director of Beta Phi Mu (the International Library and Information Science Honor Society).
For the academic year 2009-2010, he shared time between Florida State University in Tallahassee and the Winter Park Institute of Rollins College, where he was "Scholar in Residence."
[5] From January to May 2017, he was Distinguished Visiting Scholar at the Library of Congress's John W. Kluge Center, researching a book on the history of American public school librarianship.
In spring 2018, Louisiana State University Press published The Desegregation of Public Libraries in the Jim Crow South: Civil Rights and Local Activism, a book he coauthored with his wife, Shirley A. Wiegand.
[7] In September, 2024, the University Press of Mississippi published “In Silence or Indifference: Racism and Jim Crow Segregated Public School Libraries.” His next book-length project is tentatively entitled "Soul of the City: A People's History of the San Francisco Public Library" (expected 2029) Wiegand is married to Shirley A. Wiegand and both currently reside in Walnut Creek, California.