Dr. Yael Lieber

Dr. Yael Lieber holds a Ph.D. and M.S. in School Psychology from Tulane University in New Orleans (U.S.), and a B.A. – Highest Honors in Psychology from the University of Rhode Island (U.S.), with her research – subsequently published in both journals and at conferences – emphasizing problem sets stemming from exposure to community violence within a developmental psychological perspective. She recently served as a licensed psychologist in Canberra, Australia, a role that built upon her several years of applied experience in clinical, hospital and school settings. Near-recently, Yael functioned as a statistical analyst at U.S. Special Operations Command’s Joint Military Information Support Command, where she analyzed complex psychological operations datasets across all of the U.S. Department of Defense’s Combatant Commands.

Mission & Vision

The goal of the BDI has been to assemble and assimilate the full extent of creative and scientific knowledge on group behaviour and the dynamics of change. Read more

About Our Research

BDI has worked on projects across the world. For a sample of projects which BDI has either led or consulted on, click here.


The BDI's global network of expert members share their research and their wealth of practical and theoretical knowledge and experience. Read more


The Behavioural Dynamics Institute (BDI) was founded in 1989 and was formed out of the Behavioural Dynamics Working Group. Read more