Dr. Ritesh Ratti is an AI and Data Science leader with more than 15 years of experience building cutting-edge ML products. Currently working as Director of AI and Data Science at EY Singapore, he has led teams at HelloFresh, Delivery Hero, Grab, Samsung, and Oracle. Dr. Ritesh holds a PhD in Computer Science (AI & Network Security) from IIT Guwahati with multiple research publications.
About the Technical Reviewer
Himanshu Nayyar is a Staff Software Engineer at Google, specializing in large-scale Machine Learning (ML) modeling and distributed systems. With over a decade of industry experience, his recent work has focused on ads quality, real-time fraud defense, and traffic quality infrastructure. Himanshu holds an undergraduate degree from the International Institute of Information Technology, Hyderabad (IIIT-H).
Riya Joshi is a Data Scientist in Microsoft’s AI division with more than 7 years of industry experience, including prior work as a Data Engineer. She designs and evaluates production-grade Machine Learning (ML) systems for the Microsoft
Edge browser, with a focus on on-device ML, personalization, content understanding, and scalable experimentation.
She holds a Master’s degree in Computer Science and Artificial Intelligence (AI) from the University of Massachusetts, Amherst, and brings a strong foundation in ML theory alongside hands-on experience assessing model design, system trade-offs, performance constraints, and deployment considerations—skills directly relevant to succeed in this opportunity.
Riya actively contributes to the AI community through speaking and mentorship, including talks at PyData Global, PyLadies Con, and Women in Data Science, as well as appearances on the Women in Data and Women in Stem podcasts. As a Career Advisor for the Women in Data Science Career Catalyst program, she has mentored several technologists from over 12 countries, and has been recognized as a top advisor!