Matthias J. Sulz is the Gulf Research Manager at ACLED. He joined in 2017 and oversees data collection and analysis in Yemen, Saudi Arabia and other Gulf countries. He holds an MA degree in International Security at Sciences Po. His research interests include non-state-actors in the MENA region, state fragility, and security sector reform.

Aden Security

Little-Known Military Brigades and Armed Groups in Yemen: A Series This series maps the activity of little-known military brigades and armed groups proliferating throughout the conflict in Yemen. Mapping these actors has become relevant for understanding future trajectories of violence in Yemen as some of them have developed significant combat capabilities with shifting allegiances. While…

The Facilities Protection Force

Little-Known Military Brigades and Armed Groups in Yemen: A Series This series maps the activity of little-known military brigades and armed groups proliferating throughout the conflict in Yemen. Mapping these actors has become relevant for understanding future trajectories of violence in Yemen as some of them have developed significant combat capabilities with shifting allegiances. While…

The Support & Reinforcement Brigades

Little-Known Military Brigades and Armed Groups in Yemen: A Series This series maps the activity of little-known military brigades and armed groups proliferating throughout the conflict in Yemen. Mapping these actors has become relevant for understanding future trajectories of violence in Yemen as some of them have developed significant combat capabilities with shifting allegiances. While…

The Amajid Brigade

Little-Known Military Brigades and Armed Groups in Yemen: A Series This series maps the activity of little-known military brigades and armed groups proliferating throughout the conflict in Yemen. Mapping these actors has become relevant for understanding future trajectories of violence in Yemen as some of them have developed significant combat capabilities with shifting allegiances. While…

Ten Conflicts to Worry About in 2020

Our annual special report reviews the past year of data for 10 key conflicts with a look toward trends to watch in the coming months. Access ACLED data directly through the export tool, and find more information about ACLED methodology in our Resource Library. To explore an interactive visualization of this special report, click here. To…

Over 100,000 Reported Killed in Yemen War

31 October 2019: The Armed Conflict Location & Event Data Project (ACLED) currently records more than 100,000 reported fatalities in Yemen since 2015, including over 12,000 civilians killed in direct attacks. These findings are consistent with recent projections drawing on ACLED data issued by the United Nations Development Programme (UNDP) and the Frederick S. Pardee…