- Dr. A.E. Dick Howard - September 2013
- Dr. Carol Geary Schneider - October 2013
- Kat Imoff - March 2014
- Carly Fiorina - April 2014
- Christopher Phillips - April 2014
- Justice William C. Mims - September 2014
- Justice John Charles Thomas - September 2014
- CEO Jeffrey Rosen - October 2014
- iDebate Rwanda - November 2014
- Michael Signer - February 2015
- Riane Eisler - March 2015
- Lawrence Lessig - April 2015
- Stewart Harris - September 2015
- Dr. George Kuh - October 2015
- Russ Reeder - October 2015
- Dr. Danielle S. Allen - November 2015
- Margaret Hu - February 2016
- John Bridgeland - September 2016
- Theodore M. Shaw - January 2017
- Mary Ellen Callahan - March 2017
- Linda Monk - September 2017
- Madison Vision Series Panel - November 2017
- Lynn Pasquerella - February 2018
- Bill Bolling - March 2018
- Jim Acosta - April 2018
- David Rubenstein - September 2018
- Nick Rahall and Jim Coyne - November 2018
- Barbara Schaal - April 2019