Julia Greer researches lightweight, 3-dimensional nano-architectures and designs experiments to assess their properties and deformation mechanisms. These ‘nano-metamaterials’ have multiple applications, which provide a rich ‘playground’ for fundamental scientific pursuits. Greer, professor of Materials Science at CalTech, has a Ph.D. in Materials Science and Engineering from Stanford University. She was recognized as a Young Global Leader by the World Economic Forum in 2014. She is also an accomplished concert pianist.