Born in Milan in 1959, Dr. Gargioni is a medical doctor and he holds a specialization in Tuberculosis control and Lung Diseases. He worked 17 years in Uganda, first as a medical officer in a rural hospital, then as Director of the Health Services of the Kitgum District, in Northern Uganda, and finally as a World Health Organization (WHO) Adviser to the Ministry of Health in Kampala.

Since 2002 he has been working at the WHO headquarters in Geneva, in the Stop TB Department, as focal point for TB control in Africa and for the policy formulation for community care initiatives.

He is currently leading the team working on the promotion of national and global partnerships involving governments and civil society organizations in a coordinated effort to control the TB epidemic.