Public Policy PhD student Cheryl Camillo (Health Policy) was quoted in an Associated Press story about who qualifies for Medicaid. What’s largely unknown to many Americans is who is left out of the safety net, said Cheryl Camillo, a senior researcher at Mathematica Policy Research. “A huge chunk of the populace is not covered, even by Medicaid,” she said. Cheryl is a senior researcher at Mathematica Policy Research.