This case study outlines the early experiences of establishing and implementing infant and young children feeding in emergencies (IYCF-E) interventions as part of the Ukraine emergency response. It captures technical lessons learned during preparedness and the initial six months of the response in Ukraine (February – August 2022), in particular exploring in-country perspectives of global and regional technical IYCF-E support. It highlights key technical reflections, aiming to provide insights that can inform the current crisis and future emergencies in similar contexts.