Tuemay is a former police commander with more than 28 years of extensive experience in the fields of policing, security and conflict management in the Horn of Africa. Tuemay has served in different regional and international organisations as a senior expert and researcher/consultant including with the UNDP, African Union and other non-governmental organisations.

Tuemay joined the Global Center on Cooperative Security between 2011 and 2013 as a lead AML/CFT consultant and Liaison Officer to Intergovernmental Authority on Development (IGAD). Before joining the AML-THB GHoA Project, he was head of Transnational Organised Crime Pillar with the IGAD Security Sector Programme between 2013 and 2019. In 2014, Tuemay served in the IGAD led South Sudan Mediation as coordinator of the Office of the Special Envoy for South Sudan. Tuemay has designed and coordinated various training, research and mapping studies on transnational organised crime (TOC), particularly in the greater Horn of Africa region. He has authored articles on human trafficking and smuggling, counter violent extremism, money laundering and terrorism financing. Tuemay has carried out research on human trafficking, migrant smuggling, maritime piracy, money laundering, terrorism financing, community policing and border security and management. He also taught various academic courses including strategic management and risk assessment in different universities in Ethiopia.

Tuemay has a Masters degree in Organisation Development and Consultancy from Sheffield Hallam University (UK), Post Graduate Diploma in Security Sector Management from Cranfield University (UK) and MA in Managing Peace and Security in Africa (Addis Ababa University, Ongoing).