Tetiana Gaviuk is the Ukraine Researcher at ACLED and has been with the organization since October 2023, where she investigates and reports on military developments and political violence in Ukraine. Before this role, Tetiana worked in unarmed civilian protection in Ukraine and South Sudan with Nonviolent Peaceforce. As a communications and advocacy specialist with various international humanitarian organizations, she has held positions in Ukraine, the occupied Palestinian territories, Iraq, Syria, South Sudan, and Mongolia.