
He left quantitative finance, built an AI prank-calling app, and then chose a more demanding audience. At HUD, Jay Ram is building places where AI agents can practise - and where their mistakes have something to teach.

A linguistics medal, a physics medal, a cognitive-science lab and a film soundtrack all led to the same practical question: how can we tell whether an intelligent system actually understands what it is doing?
Maggie McCullough is the CEO and founder of PolicyMap, the Philadelphia-based mapping and data-visualization platform she launched in 2008. A former White House budget-office staffer turned housing researcher, she built PolicyMap after struggling to fit maps and data into her own policy work, betting that anyone should be able to make a map as easily as they shop online. The platform now serves universities, banks, health systems, nonprofits and governments, layering thousands of public and proprietary datasets into one searchable map. In December 2023 the company closed a $3 million Series A led by its former parent, the Reinvestment Fund.