Robert O. Ritchie

Robert O. Ritchie is the H. T. & Jessie Chua Distinguished Professor of Engineering at the University of California, Berkeley, where he holds dual appointments as Professor of Materials Science & Engineering and Professor of Mechanical Engineering. He is also a Faculty Senior Scientist at Lawrence Berkeley National Laboratory. His distinguished career spans over four decades with significant contributions to the field of materials science and engineering.

Professor Ritchie received his B.A. in Physics & Metallurgy (1969), M.A. in Materials Science (1973), Ph.D. in Materials Science (1973), and Sc.D. in Materials Science (1990), all from Cambridge University, UK.

His research focuses on the mechanical behavior of advanced materials, with particular emphasis on fracture mechanics, fatigue properties, and damage tolerance. Professor Ritchie's work spans multiple domains including metallic glasses, high-entropy alloys, biomaterials, and nature-inspired structural materials. His laboratory employs cutting-edge techniques such as in situ high-temperature computed tomography to study failure mechanisms in ceramic-matrix composites and nuclear graphite. His research has significant implications for aerospace, biomedical, and energy applications.

Analysis of Professor Ritchie's recent publications reveals a strong focus on advanced structural materials, particularly metallic glasses and high-entropy alloys. His work combines experimental approaches with computational modeling to understand deformation mechanisms at multiple length scales. There is a clear trend toward bioinspired materials design, with several papers examining natural structures like fish scales, horn sheaths, and bone to develop new engineering materials with exceptional mechanical properties.

• Member, National Academy of Sciences (2025)
• Foreign Fellow, Academy of Athens, Greece (2024)
• Robert Henry Thurston Award (ASME) (2022)
• ASM Gold Medal (ASM Intl.) (2021)
• William D. Nix Medal, inaugural winner (TMS) (2020)
• Fellow (Foreign Member) of the Royal Society (FRS), London, UK (2017)
• Morris Cohen Award (TMS) (2017)
• Acta Materialia Gold Medal (2014)
• David Turnbull Award (MRS) (2013)
• A. Cemel Eringen Medal (Society of Engineering Science) (2010)

Professor Ritchie has advised numerous graduate students and postdoctoral researchers throughout his career. His research has been supported by various funding agencies including the Department of Energy, National Science Foundation, and industry partners such as Rolls-Royce. He has served on numerous advisory boards including the Rolls-Royce Materials & Structures Advisory Board (2011-2019) and the Scientific Advisory Board of the Advanced Light Source at LBNL (2013 to date).

Professor Ritchie leads the Ritchie Group at UC Berkeley, which maintains strong collaborations with Lawrence Berkeley National Laboratory. The laboratory employs state-of-the-art techniques including electron microscopy, x-ray tomography, and mechanical testing across multiple length and time scales. His team has developed innovative in situ characterization methods that have significantly advanced the understanding of material failure mechanisms under extreme conditions.