Tatsuki Ohji, President 2019-2020

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.

Sylvia M. Johnson, Past President 2019-2020

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.


Dana G. Goski, President-elect 2019-2020

Dana Goski is Vice President, Research and Development 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.

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 2018-2021

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, served as president of the Society in 1998-1999 and received Distinguished Life Membership in 2007.

Mark Mecklenborg, Executive Director

Appointed in January, 2019, Mark Mecklenborg serves as the eleventh executive director of The American Ceramic Society since its formation in 1898. Prior to his appointment, Mecklenborg served as ACerS director of membership, meetings and publications. He has been with the Society since 1995, and was instrumental in developing strategic partnerships with international ceramic and glass organizations, leading to prominent conferences in the field. Under his leadership, Mecklenborg also created membership opportunities for graduate students, expanded local Sections, and established international Chapters.

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.

Helen M. Chan, Director 2019–2022

Helen Chan is New Jersey Zinc Professor, Department Materials Science & Engineering, Lehigh University, Bethlehem, Pennsylvania. She earned a Bachelor of Science and Doctor of Philosophy in Materials Science from Imperial College of Science and Technology, University of London.

An ACerS Fellow, Chan is a past chair and current member of the Basic Science Division. She also is an associate editor of the Journal of the American Ceramic Society.

Monica Ferraris, Director 2019-2022

Monica Ferraris is full professor of Science and Technology of Materials at Politecnico di Torino, Italy. She earned a Master’s Degree in Solid State Chemistry at the University of Torino, Italy.

An ACerS Fellow, Ferraris is a member of the Engineering Ceramics Division, co-Editor in Chief of ACerS’s International Journal of Applied Ceramic Technology, co-Chair of the Italy Chapter of The American Ceramic Society.

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.

William L. Headrick Jr, Director 2019–2022

Bill Headrick is Sr. Research Engineer South - Castables and Specialty Products, RHI Magnesita, Pevely, Missouri. He earned B.S. and Ph.D. degrees in Ceramic Engineering from the University of Missouri-Rolla.

An ACerS Fellow, Headrick holds membership in the Refractory Ceramics and Manufacturing Divisions, St. Louis Section and Keramos.

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.

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.

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.

An ACerS Fellow, Wang is a 2017 recipient of an ACerS Global Ambassador Award, and is a member and past chair of the Engineering Ceramics Division.