When Philadelphia began getting its first batches of COVID-19 vaccines, it looked to partner with someone who could get a mass vaccination site up and running quickly. City Hall officials might have looked across the skyline to the world-renowned health providers at the University of Pennsylvania, Temple University or Jefferson Health. Instead, they chose a 22-year-old graduate student in psychology with a few faltering startups on his resume. And last week, amid concerns about his qualifications and Philly Fighting COVID’s for-profit status, the city shuttered his operation at the downtown convention center.