Simbarashe is the founder and managing director of Oxygen Africa, a Zimbabwean renewable energy development company. He is a member of the 2018-19 World Economic Forum’s Global Future Council on Entrepreneurship and the Shared Value Africa Initiative’s Africa Council. The African Leadership Institute selected Simba for the 2019 cohort of the prestigious Archbishop Desmond Tutu Leadership Programme as an Archbishop Tutu Leadership Fellow. Simba was also part of the expert working group of the Enterprise Africa Network, a project by the European Union and African Union to create a business platform to connect women and young entrepreneurs across the continent modelled on the Europe Enterprise Network. In 2018, Simba was named by Forbes Magazine as one of Africa’s 30 most promising young entrepreneurs in Africa.