David is an expert in data engineering and ETL with a data science background. Formerly the Director of Data Science at Charity Navigator, he created open-source software to turn the IRS Form 990 into spreadsheets. Prior to Charity Navigator, he worked as a computational biologist at the Broad Institute of MIT and Harvard. He is also the founder of Applied Nonprofit Research, which donates its data feed to Open990. He holds a Ph.D. in Quantitative and Computational Biology from Princeton University.

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