Greer is a Ruben F. and Donna Mettler Professor of Materials Science, Mechanics, and Medical Engineering at Caltech and has more than 150 publications. Greerâs research focuses on creating and characterizing classes of materials with multi-scale microstructural hierarchy, which combine three-dimensional (3D) architectures with nanoscale-induced material properties. Selected recognitions include AAAFM-Heeger Award (2019), Vannevar-Bush Faculty Fellow (2016), CNNâs 20/20 Visionary (2016), Top-10 Breakthrough Technologies (2015) and Technology Reviewâs TR-35, (2008). Greer was named one of â100 Most Creative Peopleâ by Fast Company and a Young Global Leader by World Economic Forum (2014) and received multiple career awards. Greer is the Director of the Kavli Nanoscience Institute at Caltech and serves as an Associate Editor for Nano Letters and Science Advances. She is also a concert pianist.