#  Matthew A. Baum-Home 

 



---

 

 

   ![Matt Pic](/sites/g/files/omnuum4031/files/styles/hwp_1_1__360x360_scale/public/mbaum/files/faculty_baum_matt_ms82r_2_0.jpg?itok=9Chqvrjc) 

 

**Matthew A. Baum** (Ph.D., UC San Diego, 2000) is the Marvin Kalb Professor of Global Communications and Professor of Public Policy at Harvard University's John F. Kennedy School of Government and Department of Government. His research focuses the role of the mass media and public opinion in contemporary American politics and foreign policy. Additional research interests include the interaction of media and electoral institutions, the causes and effects of misinformation, the relationship between partisan media and polarization, and the intersection between mental health and political attitudes and behavior.

His research is widely published in leading scholarly journals, as well as newspaper and magazine op-eds and blog posts. His books include *Soft News Goes to War: Public Opinion and American Foreign Policy in the New Media Age* (2003, Princeton University Press), *War Stories: The Causes and Consequences of Public Views of War* (2009, Princeton University Press, co-authored with Tim Groeling), and *War and Democratic Constraint: How the Public Influences Foreign Policy* (2015, Princeton University Press, co-authored with Phil Potter). He is also co-founder, principal investigator and co-editor of the Harvard Kennedy School Misinformation Review and co-founder and principal investigator of the Civic Health and Institutions Project, or CHIP50 (formerly the COVID States Project). Before coming to Harvard, Baum was an associate professor of political science and communication studies at UCLA.



 

   ![CHIP50 logo](/sites/g/files/omnuum4031/files/styles/hwp_1_1__360x360_scale/public/2025-04/65c3bcd53077cb339d1f3b9b_chip50-logo-p-500.png?itok=yZNwJzpH) 

 



 

 [#####  The Civic Health And Institutions Project

 ](https://www.chip50.org) 

 

   ![Misinformation Review logo](/sites/g/files/omnuum4031/files/styles/hwp_1_1__360x360_scale/public/2025-02/Screenshot%202025-02-13%20at%204.25.37%20PM_0.png?itok=kBptRgxZ) 

 



 

 [#####  Misinformation Review

 ](https://misinforeview.hks.harvard.edu) 

 

   ![Google Scholar logo](/sites/g/files/omnuum4031/files/styles/hwp_1_1__360x360_scale/public/2025-06/Screenshot%202025-06-10%20at%203.01.31%E2%80%AFPM.png?itok=cWry7SmL) 

 



 

 [#####  Recent Publications

 ](https://scholar.google.com/citations?hl=en&user=vUKLlG4AAAAJ&view_op=list_works&sortby=pubdate) 

 

 

 

 

 

 

 

 

 

---