She was Strategic Programme leader a.i. of the Strategic Programme “Make Agriculture, Fisheries and Forestry more productive and sustainable” at FAO. She was Senior Coordinator of Food Chain Crisis Coordination and Intelligence Unit at FAO from 2009 to 2018. She worked 13 years in agricultural rehabilitation and livelihoods resilience in emergency situations at country level (Bosnia and Herzegovina, Burundi, Afghanistan, Uganda, Sri Lanka, Lebanon, Philippines, Moldova and Myanmar).
She worked in research at the ICARDA, Aleppo, Syria. Dr. Chaya holds an MSc in Agronomy and a PhD in Plant Molecular Biology.