Lijie Grace Zhang is Associate Professor in the School of Engineering and Applied Science at The George Washington University, and is Director of the Bioengineering Laboratory for Nanomedicine and Tissue Engineering. She is also Associate Editor-in-Chief of International Journal of Nanomedicine. David Kaplan holds an Endowed Chair, the Stern Family Professor of Engineering, at Tufts University. He is Professor and Chair of the Department of Biomedical Engineering and also holds faculty appointments in the School of Medicine, the School of Dental Medicine, Department of Chemistry, and the Department of Chemical and Biological Engineering. He serves on the editorial boards of numerous journals and is Associate Editor for the ACS journal Biomacromolecules.