Abhijit Pol is a highly accomplished professional with a Ph.D. in Computer Science and years of experience in leading data and advertising engineering efforts at Roku. Prior to Roku, Abhijit served as the Senior Director of Engineering, Big Data and Machine Learning Systems and was part of the founding engineering team at Rocket Fuel. He has also worked as an architect and principal engineer for Yahoo's Behavioral Targeting platform. With a strong academic background, including master's degrees in Computer Engineering and Industrial and Systems Engineering, Abhijit has authored several research papers and is a co-author of a textbook on web-enabled decision support systems used in universities worldwide. Abhijit also co-authored a paper that won the prestigious SIGMOD best paper award. Abhijit's skills and expertise encompass big data, machine learning, data stream processing, and approximate query processing. His professional interests include advertising engineering, data engineering, and machine learning systems.