Bojan is a Machine Learning Modeler. He has worked at several tech startups, and most recently at NVIDIA. Bojan holds a Ph.D. in Theoretical Physics, and has been working in Machine Learning and Data Science fields for eight years, where has worked with real-world FinTech problems. He is one of seven Quadruple Kaggle Grandmasters, and is the first person to be ranked in top 10 in all four Kaggle categories simultaneously. He has nine Kaggle competition gold medals, and with his team has won the largest Kaggle competition at the time, Home Credit Classification challenge. His work as a competition participant and organizer in Human Protein Classification challenge and mRNA Open Vaccine has been part of three distinct Nature publications. Bojan considers himself a Machine Learning generalist, and has considerable experience working with a wide variety of Machine Learning problems - image, NLP, voice, tabular, etc. He is passionate about learning and exploring new applications of Machine Learning, especially those that can have a significant impact on real world problems. He is currently working on application of Machine Learning in RNA bioinformatics and in social media analysis. He is particularly interested in fundamental issues of Machine Learning for tabular data.