My name is Dr. Toleshi Teshome Ketema. I am a researcher and lecturer at the Chemistry Department and a Postgraduate Program Director at Bonga University, Ethiopia. I graduated from Jimma University by PhD in Analytical Chemistry on July 1, 2024, MSc in Analytical Chemistry from Haramaya University on June 28, 2018 and BSc in Chemistry from Jimma University on June 18, 2016. My research focuses on the synthesis of nanomaterials for diverse applications, particularly in sensing and photocatalysis for applications in agriculture, food safety, and water quality. I have a proven track record of publishing numerous articles in esteemed international and national journals. I am actively involved in the Society for Women and HIV/AIDS in Africa, Ethiopia, where I have successfully conducted training on school-based peer learning related to gender inequalities.