Board of Directors Biographies | The American Ceramic Society

Board of Directors Biographies



Sylvia M. Johnson, President 2018-2019

Sylvia Johnson was Chief Materials Technologies, Entry Systems and Technology Division, NASA Ames Research Center until her retirement in 2016. She earned a B.Sc. in Ceramic Engineering from University of New South Wales, M.S. and Ph.D. in Materials Science and Engineering from University of California, Berkeley.An ACerS Fellow, Johnson received the James I. Mueller Award, presented the Edward Orton Jr. Memorial Lecture in 2015, and is ACerS representative to the International Ceramic Federation.


Michael L. Alexander, Past President 2018-2019

Michael Alexander is Manager of Taphole Technology, Allied Mineral Products, Inc., Pell City, Alabama, USA. He earned a B.S. degree in Ceramic Engineering from Alfred University. 

An ACerS Fellow, Alexander is a member of and past chair of the Refractory Ceramics Division. He currently services on the international executive board for UNITECR (Unified International Technical Conference on Refractories).


Tatsuki Ohji, President-Elect 2018-2019

Tatsuki Ohji is Fellow Scientist at National Institute of Advanced Industrial Science and Technology (AIST) in Nagoya, Aichi JAPAN. Ohji earned a B.S. and M.S. degrees in mechanical engineering from Nagoya Institute of Technology, and PhD in inorganic materials engineering from Tokyo Institute of Technology. An ACerS Fellow, Ohji is a member and past chair of the Engineering Ceramics Division and also holds membership in the Basic Science and Nuclear and Environmental Technology Divisions. He is a recipient of the ECD Bridge Building Award, as well as the ACerS John Jeppson Award and Samuel Geijsbeek PACRIM International Award.


Stephen Houseman, Treasurer 2018-2020

Stephen Houseman is president of Harrop Industries, Inc. in Columbus, Ohio, USA.  Houseman holds a B.S. degree in Business Administration from The Ohio State University. He served ACerS as a member of the Finance Committee for several years to prepare for the Treasurer position and is a past chair, vice chair and treasurer of the Central Ohio Section of ACerS.


Stephen Freiman, Parliamentarian 2018-2019

Stephen Freiman formed Freiman Consulting, Inc. in Potomac, Maryland, USA after retiring as chief of the Ceramics Division at the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland. He earned a B. ChE. and M. S. in Metallurgy from the Georgia Institute of Technology and received a Ph.D. in Materials Science and Engineering from the University of Florida. Freiman is an ACerS Fellow and served as president of the Society in 1998-1999.


Charlie Spahr, Executive Director

Appointed in October 2010, Charles Spahr serves as the tenth executive director of The American Ceramic Society since its formation in 1898. Prior to his appointment, Spahr served as the president of ACerS' ceramic arts publishing unit (Ceramic Publications Company), a branch of the Society that he took over in 2005 when he first joined the ACerS staff. Before coming to ACerS, Spahr spent most of his career with Reed Elsevier, a publishing entity well known to the science and business community.


Mario Affatigato, Director 2018-2021

Mario Affatigato is the Fran Allison and Francis Halpin Professor of Physics in the Physics Department at Coe College in Cedar Rapids, Iowa, USA. Affatigato earned a B.A in physics and mathematics from Coe College and M.S. and Ph.D. degrees in physics from Vanderbilt University. An ACerS Fellow, Affatigato is a member and past chair of the Glass and Optical Materials Division, and is Editor in Chief, International Journal of Applied Glass Science.


Kevin M. Fox, Director 2017-2020

Kevin Fox is Principal Engineer at Savannah River National Laboratory in Aiken, South Carolina.  Fox earned a B.S. degree in ceramic engineering from Alfred University and M.S. and Ph.D. degrees in materials science and engineering from the Pennsylvania State University.

An ACerS Fellow, Fox received the Du-Co Ceramics Young Professional and the Karl Schwartzwalder Professional Achievement Awards. Fox is a member and past chair of the Nuclear and Environment Technology Division, and also holds membership in the Engineering Ceramics Division and the Education and Professional Development Council, which he helped launch in 2017.


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Dana G. Goski, Director 2016-2019

Dana Goski is Director of Research at Allied Mineral Products, Inc., a global monolithic refractory producer headquartered in Columbus, Ohio, USA.   Goski earned her MSc and Ph.D. at TUNS (now Dalhousie University) in Canada.

An ACerS Fellow, she is a member of the Refractory Ceramics and the Art, Archaeology and Conservation Science Divisions. Dana is ACerS 2019-2020 president-elect nominee.


John Kieffer, Director 2018-2021

John Kieffer is a Professor of Materials Science and Engineering at the University of Michigan in Ann Arbor, Michigan, USA. He received his M.S. in Metallurgy and his Ph.D. in Materials Science from Clausthal University of Technology. An ACerS Fellow, Kieffer is a member and past chair of the Glass and Optical Materials Division.  He received the GOMD George W. Morey Award in 1999.


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Lynnette D. Madsen, Director 2016-2019

Lynnette Madsen is Program Director of Ceramics at the National Science Foundation. located in Arlington, Virginia, USA.  She earned B.A.Sc. in Electrical Engineering and a B.A. in Psychology both from the University of Waterloo, an M.Eng. in Electronics from Carleton University, and a Ph.D. in Materials Science from McMaster University.

Madsen is an ACerS Fellow, and is a member of the Art, Archaeology and Conservation Science, Basic Science and the Manufacturing Divisions.  She serves as ACerS representative to the Multi-Society Diversity Council.


Sanjay Mathur, Director 2017-2020

Sanjay Mathur is Director and Chair of the Institute of Inorganic Chemistry at University of Cologne, Germany.  Mathur earned a DPhil in Chemical Laboratories from University of Rajasthan, and M.Phil. and M.Sc. in Physical Chemistry from Vikram University in India.

An ACerS Fellow, Mathur is a member and past chair of the Engineering Ceramics Division.


Martha Mecartney, Director 2017-2020

Martha Mecartney is Professor of Chemical Engineering and Materials Science at University of California, Irving.  Mecartney earned an M.S. and Ph.D in Materials Science and Engineering from Stanford University and a B.S. in Metallurgical Engineering and Materials Science and a B.A. in Classics from Case Western Reserve University.

An ACerS Fellow, Mecartney is a member and past chair of the Basic Science Division and also holds membership in the Engineering Ceramics, Nuclear and Environmental Technology and the Art, Archaeology and Conversation Science Divisions.


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Gregory S. Rohrer, Director 2015-2019

Gregory Rohrer is W.W. Mullins Professor of Materials Science and Engineering and the Head of the Materials Science and Engineering Department, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.

An ACerS Fellow, Rohrer is the recipient of the Roland B. Snow Award, the Ross Coffin Purdy Award, the Richard M. Fulrath Award, the Robert B. Sosman Award, and the W. David Kingery Award. He is a past chair and member of the Basic Science Division.


Jingyang Wang, Director 2018-2021

Jingyang Wang is CAS Distinguished Professor and division head High Performance Ceramics Division at Shenyang National Laboratory for Materials Science, Institute of Metal Research Chemical Institute of Metal Research, Chinese Academy of Sciences in Shenyang, Liaoning, CHINA. Wang earned a B.S. in physics from Peking University, a M.S. and Ph.D. in materials science from Institute of Metal Research, Chinese Academy of Sciences. Wang is a 2017 recipient of an ACerS Global Ambassador Award, and is a member and past chair of the Engineering Ceramics Division.