This Thematic Brief summarizes the key takeaways from the interagency ‘Learning Corner’ organized by the Regional Safeguarding and PSEA Network in the Ukraine Refugee Response on 22 May 2023. The event brough together more than 50 members of the Regional Network and the National PSEA Networks in the Ukraine response, as well as other organisations or agencies, so as to exchange and document promising practices and opportunities across country operations and organisations on how to enhance SEA investigations capacity.