Yvonne M. Agazarian (February 17, 1929 - October 9, 2017) was the principal architect of systems-centered therapy, based on a theory of Living Human Systems that she also developed.
After separating with her Canadian husband, she returned first to England, then in 1960 moved to Philadelphia, in order to better support her son, who was born blind.
[2] While in Philadelphia, Agazarian completed a PhD in the field of group dynamics at Temple University, entitled A Theory of Verbal Behaviour and Information Transfer.
[3] It was at Temple where she first developed an interest in bridging the lack of common language between group dynamics and psychoanalysis.
In 1997, the American Psychological Association awarded her Group Psychologist of the Year "for her involvement in research, publication, teaching and training.