Guillaume Soto-Mayor recently joined Altai Consulting's West Africa & the Sahel office and is currently part of the team studying migration governance in Africa for the European Union. He is a former research engineer of the Security and Defence research team at CNAM Paris and is now an associated expert of the SDRTI3C. He graduated from the University of Oxford and from Sciences Po Strasbourg. He is a lecturer in several universities teaching master's level courses. He has conducted in-depth field research on criminal and terrorist networks in West, Central and North Africa. He has also carried out important work to raise awareness and provide operational support to local and international organisations and leaders on international security and political issues.