Wojciech Jezierski has been an SBA mentor for two years working with the Stowarzyszenie Polska Misja Medyczna. The organization brings medical aid to the world’s most in-need countries. It provides medical care to pregnant women and young children in hospitals in Africa and Asia. In the Middle East, it helps migrants in refugee camps. Currently, the organization is saving the lives of war victims in Ukraine, whose evacuation is impossible. Wojciech supports the Mission in developing fundraising, building the image of the organization, managing the organization's finances and preparing new services for businesses.