Ing. Judith Leo (PhD) is a Tanzanian female Data Scientist. Currently, working as a Lecturer at the Nelson Mandela African Institution of Science and Technology (NMAIST). Her interest is in the data science and data-driven solutions, use of Mobile App and Internet of Things (IoTs) for solving society and industry’s challenges, area of optical fibre installation, bandwidth and energy optimization, advanced network configuration, system development and modelling. She has experience in working with multidisciplinary research action which integrates diverse areas in Information and Communication Technology (ICT), Gender inclusion and policies, leadership in STEMI, environment, health, social and business areas. She has won several grants, awards and scholarships. One of the grants is the Data for Local Impact (DLi) Innovation Challenge also known as DREAMS WINDOW which was funded by The President’s Emergency Plan for AIDS Relief (PEPFAR) and Millennium Challenge Corporation (MCC) through Data for Local Impact Innovation Challenge at CoSTECH in Tanzania. In this award she developed an innovative tool called Early Warning-Dropout Visualisation Tool (EDV-Tool) and an NGO (BintiShule) whose aim is to empower, encourage and educate girls on the importance of getting education, measures to take during menstruation and to follow in order to avoid early pregnancies, HIV/AIDS-risk-behaviour and bad-cultural practices. Dr. Leo’s Master’s research title was, “An Interactive Remote Doctor Consultation Registration system for Acquisition of Geo-Information in order to Enhance Epidemiological Analysis: A Case of Tanzania”. It involved the integration of Geographic Information System (GIS), (GPS), System Development and Integration using both health and environmental data. Whereas, the PhD research area has focused on modelling health and environmental data with a title of “ARPM: Adaptive Reference Machine Learning (ML) Model for Prediction of Cholera Epidemics based-on Seasonal Weather Changes Linkages in Tanzania.