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Vivian Zhang, Kathy Liu & David Romoff

Teaches at NYC Data Science Academy

Vivian Zhang

Vivian is the founder of NYC Data Science Academy and co-founder of SupStat. She is an adjunct professor at Stony Brook University and founded the NYC Open Data Meetup, which is 4000 strong. She has many years of practical experience in data technologies and analytics, and has expertise in multiple programming languages including R, Python, Hadoop, and Spark. Vivian was ranked in "9 Women Leading The Pack In Data Analytics" by Forbes in August 2016. She enjoys meeting people and enjoys sharing her experiences with young professionals and students.

Kathy Liu

Kathy holds a Ph.D. in Mathematics from New York University and a master's degree from Georgetown University. She is specialized in information theory and probability. Kathy is passionate about teaching and her mathematics and statistics classes at NYU are so popular that seats are filled in very quickly. After serving as a Data Science Consultant in a reinsurance company, Kathy realizes the power of data analytics and the fun of story-telling, then she starts to use statistical models and data visualization tools to conduct collaborative research in Stern School of Business and Courant Institute of Mathematical Sciences at NYU. When not working, Kathy can be found watching Broadway shows in the theater district, practicing golf at Chelsea Piers and hiking in upstate New York.

David Romoff

David Romoff is a risk management consultant with 10 years of experience modeling market and credit risk using the latest methods and technologies. David's recent work includes serving as Manager of Risk Management at On Deck Capital, a business lending company in the FinTech space that uses machine learning models to underwrite loans. David was responsible for estimating and reporting losses on the book of loans. Previously, David worked in Enterprise Risk Management at AIG for five years where he designed and supported models on insurance risk, credit risk, and capital allocation. Before AIG, he worked at Bear Stearns in counterparty credit risk. David has an MBA from the Zicklin School of Business in New York City and a Master of Science in Actuarial Science from Columbia University. His undergraduate degree is from the State University of New York at Albany, where he studied psychology and philosophy.

Classes taught by Vivian Zhang, Kathy Liu & David Romoff

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