Sai Chittila is an experienced professional in the field of information security and big data, currently serving as Sr. Director/Chief Security Architect at Visa since August 2013. Responsibilities include providing technical leadership to security architects, designing scalable big data applications, and developing security analytics products. Prior roles at Visa include Director/Lead Security Architect and Big Data Engineer, focusing on security implementation and data platform architecture. Before Visa, Sai worked as a Big Data Consultant at Autodesk and as an Information Analyst at The World Bank, managing full project life cycles and implementing Scrum methodology. Early experience includes a Business/Project Analyst position at Select Comfort, contributing to various technology projects. Education details include studies at svu and st.vincent.