Pete Skomoroch is a Principal Data Scientist at LinkedIn in Mountain View, CA, focused on reputation systems, collaborative filtering, and building data driven products. He leads a team of Data Scientists focused on Identity at LinkedIn and was the inventor of LinkedIn Skills. Prior to LinkedIn, he was based in Washington, DC where he focused on mining insights from search query data as the Director of Advanced Analytics at Juice Analytics and as a Sr. Research Engineer at AOL Search. While in DC, he also founded DataWrangling.com which provided custom data mining solutions to clients in bioinformatics, finance, and cloud computing. He spent the previous 6 years in Boston implementing Biodefense pattern detection algorithms for streaming sensor data at MIT Lincoln Laboratory and constructing predictive models for large retail datasets at Profitlogic (now Oracle Retail). Pete has a B.S. in Mathematics and Physics from Brandeis University and did graduate coursework in machine learning at MIT.