Jeffrey currently works as the Chief Data Scientist at AB, formerly known as AllianceBernstein, a leading global investment management and research firm, where he is building a data science team and leading all of the data science initiatives. Prior to AB, he was the Vice President and Head of Data Science at Silicon Valley Data Science, where he led a team of PhD to help companies transformed their businesses using data science and emerging data technologies. Jeffrey held various positions before SVDS, including the Head of Risk Analytics and Quantitative Research at Charles Schwab Corporation, Director of Financial Risk Management Consulting at KPMG, Assistant Director at Moody’s Analytics, and Assistant Professor of Economics at Virginia Tech. During his doctoral study and the last two years of his undergraduate study, Jeffrey worked in research teams at RAND Corporation, the World Bank, the Wharton School, and University of Pennsylvania School of Medicine. Jeffrey holds a Ph.D. and an M.A. in Economics (with a focus on econometrics) from the University of Pennsylvania and a B.S. in Mathematics and Economics from UCLA.