Senior Education Technical Advisor for RTI International's International Development Education Group. He has over 15 years of experience in software development, implementation, and support. He is responsible for the successful implementation, adoption, and client support for over 20 internal RTI data collection efforts and more than 30 external (SaaS subscribers) clients using all varieties of Tangerine® software in the education sector. Mr. Hristov is also involved in the design and development of RTI's "Loquat", a machine-learning mobile application that helps teachers balance their talk time to improve student learning outcomes.