Gregory S. Rohrer is the W.W. Mullins Professor of Materials Science and Engineering and the head of the Department of Materials Science and Engineering at Carnegie Mellon University. He received his bachelor's degree in Physics from Franklin and Marshall College in 1984 and his Ph.D. in Materials Science and Engineering from the University of Pennsylvania in 1989. Rohrer is an associate editor of the Journal of the American Ceramic Society, was chair of the Basic Science Division of the American Ceramic Society in 2005, and was chair of the University Materials Council in 2011. He has authored more than 230 publications and received a number of awards recognizing his research. From the American Ceramic Society, he has received the Roland B. Snow Award (1998), the Ross Coffin Purdy Award (2002), the Richard M. Fulrath Award (2004), the Robert B. Sosman Award (2009), and the W. David Kingery Award (2014).

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Gregory Rohrer


1989 Ph.D., Materials Science and Engineering, University of Pennsylvania

1984 BS, Physics, Franklin and Marshall College

Media mentions

CMU Engineering

Remembering Harold Paxton

Harold W. Paxton, former head of the Department of Materials Science and Engineering, passed away on March 8, 2021.

CMU Engineering

Air Force partnership to fuse AI and materials research

CMU and Air Force Research Laboratory establish 5-year, $7.5M Center of Excellence in data-driven materials research.

CMU Engineering

Two students earn Goldwater honors

Created to serve as a living memorial to honor the lifetime work of Senator Barry Goldwater, the Goldwater scholarship provides funding to students pursuing research careers in the natural sciences, mathematics, and engineering.

Rohrer contributes to grain boundaries research

MSE Head Greg Rohrer was recently mentioned in a article for his contribution to work that lead to the discovery of segregation-induced superstructures at grain boundaries in nickel-bismuth polycrystalline alloys.

Rollett and Rohrer publish book on materials science topics

MSE’s Tony Rollett and MSE Head Greg Rohrer recently published a materials science book, called Recrystallization and Related Annealing Phenomena. The newest edition of their text provides experts with the latest findings in the materials science field.

CMU Engineering

Department news

The initiatives underway in the College’s departments embody the value we place on progress. Here are some of our current projects and prides.