Tsema is a lawyer who began her career protecting women who were victims of sexual and domestic violence. She later joined Global Rights Nigeria, a human rights capacity-building organization focused on protecting vulnerable persons and grassroots communities. Tsema is the co-owner of Dynamone Consults, a consulting firm that focuses on providing solutions to Nigeria’s development problems through research and the creation of advocacy tools to support grassroots communities. Her project on creating energy solutions to primary health centres in Nigeria has created a report which will be used as an advocacy tool to create awareness for pimary health centres. Tsema currently works as a full-time consultant at the Open Society Initiative for West Africa (OSIWA).