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Horace Mann Medal

The Horace Mann Medal is given annually to a Brown Graduate School alumnus or alumna who has made significant contributions in his or her field, inside or outside of academia. Any graduate of a Brown advanced-degree program is eligible.  The medal is awarded at Commencement exercises in May. 

The Graduate School issues a call for nominations in September, with a late October deadline. A nomination should, at a minimum, include a strong supporting rationale for the nomination, expressed in a letter of nomination. Up to two additional supporting letters may also accompany the nomination. Send all nominations to

The final selection process takes place in the fall, in conjunction with the University's selection of honorary-degree recipients. (Nominations received after the deadline will be considered in the next round of review.) Selection news is announced in May.

This award was created in 2003 and replaced the Distinguished Graduate School Alumni Award.  

2016-2017 Horace Mann Medal winner:

Guido W. Imbens '91 Ph.D.

Guido W. Imbens is an influential econometrician who teaches at Stanford University’s Graduate School of Business. He will be honored at Commencement on May 28, 2017.

Imbens is known for his widely cited research on developing methods for drawing causal inferences in observational studies, using matching, instrumental variables, and regression discontinuity designs. This research has laid the methodological groundwork for empirical studies in economics and other social sciences. Peers say his prodigious scholarship has elevated the quality of research in economics, statistics, and biomedical sciences, influencing how clinical trials are analyzed, for example. 

Arriving at Stanford in 2012, Imbens is the Applied Econometrics Professor and Professor of Economics at the Graduate School of Business. He is also Professor of Economics at the School of Humanities and Sciences and a Senior Fellow at the Stanford Institute for Economic Policy Research.

He completed his doctoral degree at Brown University in 1991 and went on to teach at Harvard University, UCLA, and UC Berkeley. He is a fellow of the Econometric Society and the American Academy of Arts and Sciences.

Previous Medal Recipients