Oulech is a prominent figure in the field of public health, having transitioned from a career in IT in Canada to an influential role in Chad, his home country. His biography reveals a diverse career path, beginning with solid training in Computer Engineering obtained in 2004, followed by significant experience within the Canadian Federal Government, where he acquired expertise in information technology. Driven by an entrepreneurial spirit, Oulech then founded a marketing agency, contributing to the development of small and medium-sized businesses.His return to Chad marks a decisive turning point, where he becomes fully involved in the public health sector. As an advisor to the Chadian Minister of Public Health since February 2020, placed by the International GAVI Vaccine Alliance, Oulech played a key role in improving the visibility of health programs, in educating the population on crucial health issues and in strengthening cooperation between partners and the Ministry of Public Health of Chad. His appointment reflects recognition of his expertise and commitment to humanitarian and health causes.The most notable aspect of his career is his involvement in the organization of major international events, facilitating the active participation of the Minister of Health in global forums such as the World Health Assembly, the Regional Committee of Africa and the United Nations General Assembly. These efforts have not only strengthened Chad's presence on the international health scene but have also contributed to the improvement of health systems globally.In addition, Oulech has made significant contributions to the management of humanitarian crises, notably by helping to coordinate response efforts in Eastern Chad, a region affected by an influx of refugees caused by the armed conflict in Sudan. This experience highlights his skills in crisis management and humanitarian coordination.On a personal level, Oulech is a trilingual individual and father of two boys, with varied interests ranging from cooking to football, testament to his balanced personality and appreciation for culture.In conclusion, Oulech's biography illustrates the significant impact that one person can have in the field of public health, by combining passion, expertise and commitment, both locally and internationally.