Justin MP I love Engineering, Product, and Design Work Pinterest · SWE › TL › Eng Mgr (2014 - 2022) Theorem (YCS14) · CTO / First Eng (2014) Ooyala · SWE › TL › Eng Mgr (2011 - 2014) Projects Querybook · Co-creator, product lead Promptmill · Tech proof of concept (Nov 2022) Talks Improving Products: Running and Visualizing A/B Experiments at Pinterest (Data Visualization Summit SF 2017) From Data To Decisions: Pinterest's Data Analytics Products (Data Visualization Summit SF 2016) Links Twitter LinkedIn