About AVS > Press/Media Center > AVS Election Winners 2021



Michael D. Williams
Clark Atlanta University

Michale D. Williams is currently Chair of the Department of Physics at Clark Atlanta University, a historically Black college or university (HBCU). He is Professor and Director of the Center of Excellence in Materials Physics. He received dual B.S. degrees in physics from Morehouse College (1979) and nuclear Engineering from the Georgia Institute of Technology (1979). Michael received his Ph.D. in physics from Stanford University (1987) under the late Bill Spicer.  Learn more


David Surman
Kratos Analytical Inc.

David Surman has been a long-standing member of the AVS. In 2009, Dave accepted the position as the Chair of the Exhibitor & Manufacturers Committee. In 2011, he was elected to the AVS Board of Directors where he served a two-year term from 2012-2013. During his term on the AVS Board of Directors, he served as Chair of the Membership Committee, a position he held until 2019 .  Learn more


Gregory J. Exarhos
Pacific Northwest National Labs

Gregory J. Exarhos, a Laboratory Fellow emeritus within the Physical Sciences Division at Pacific Northwest National Laboratory (PNNL), graduated magna cum laude from Lawrence University and received his Ph.D. in physical chemistry from Brown University. An assistant Professor at Harvard University, his group investigated cation motion in amorphous phases, phase transformation dynamics in amorphous materials, and electron-beam surface modification.  Learn more

DIRECTOR (2022-2023)

Jane P. Chang

Jane P. Chang is a Professor and the William F. Seyer Chair in Materials Electrochemistry in the Department of Chemical and Biomolecular Engineering at UCLA since 1999.  She received her B.S. degree from National Taiwan University and her M.S. and Ph.D degrees from Massachusetts Institute of Technology, all in chemical engineering, and she was a Postdoctoral Member of Technical Staff at Bell Labs, Lucent Technologies.  Learn more

DIRECTOR (2022-2023)

Mark Engelhard
Pacific Northwest National Laboratory

Mark Engelhard is a Senior Research Scientist in the Environmental Molecular Sciences Laboratory located at Pacific Northwest National Laboratory. Since 1980 he has used and adapted surface sensitive techniques, particularly XPS, to study surfaces and interphases important to environmental, energy, and catalytic materials and systems.  Learn more

DIRECTOR (2022-2023)

Jessica L. Hilton

Jessica L. Hilton is the President and CEO of SPECS-TII Inc., a US joint venture between SPECS Surface Nano Analysis in Germany and UNISOKU in Japan.  Jessica received her B.S. in Engineering Science from Trinity University and her Ph.D. in Chemical Engineering from the University of Minnesota.  Learn more

TRUSTEE (2022-2024)

Alberto Herrera-Gomez
CINVESTAV-Queretaro, Mexico

Alberto Herrera-Gomez is a Professor of Materials Science at CINVESTAV-Queretaro, Mexico.  He obtained his Ph.D. in applied physics from Stanford University in 1994.  Alberto spent two sabbaticals (2005-2007) at the University of Texas at Dallas as a Visiting Associate Professor, and one sabbatical at the Universidad Autonoma Metropolitana in Mexico City (2012) where he was granted the Daniel Schechtman Chair.  Learn more

TRUSTEE (2022-2024)

Sidney Cohen
Weizmann Institute of Science, Rehovot, Israel

Sidney Cohen is a Senior Research Fellow and head of the Surface Analysis Laboratory at the Weizmann Institute of Science in Rehovot, Israel. He received his Ph.D. from the Weizmann in 1988 and then spent 2 years as a postdoctoral fellow at the IBM Almaden Research Center where he began working with the scanning probe microscope (SPM). Since returning to the Weizmann in 1990, he has specialized in SPM applications in various aspects of nanoscience.  Learn more