How Data Drives The Proptech Revolution and Saves Landlords and Tenants Millions. Annie currently leads product analytics at Density, a company building technology that helps companies understand how people use space. She’s dedicated her career to using data to drive the design of products, spaces and cities. In past lives, she’s led product data science at WeWork, taught sustainable design at Pratt University, was funded by NASA's Illinois Space Grant Consortium to study the impact of urban development on the regional climate of Chicago, and has worked as an architect in Chicago and NYC.