Avadh B. Saxena is an American physicist and currently the Group Leader of Physics of Condensed Matter and Complex Systems Group (T-4) at Los Alamos National Laboratory, New Mexico, USA. His contributions cover a range of topics including phase transitions, functional materials, topological defects such as solitons and skyrmions, and Non-Hermitian quantum mechanics. Saxena completed his PhD at the Temple University in 1986 (advisor: James D. Gunton). Subsequently, he held a joint postdoc position at the Materials Research Lab at Penn State (with Gerhard R. Barsch) and Cornell University (with James A. Krumhansl). In 1990 he came to Los Alamos National Laboratory as a visiting scientist/consultant to the Theoretical Division (with Alan R. Bishop), and in 1993 became a Technical Staff Member