Kelly Sawyer Patricof and Norah Weinstein join our March Zoom call in infectiously high spirits. The Baby2Baby co-CEOs are bathed in Los Angeles sunshine , tuning in from their Culver City office at around 9 a.m. They tell me they’ve just come from their monthly all-hands staff meeting. “Every department shares their updates, and we do a lot of great work here, so those meetings always put us in a good mood,” Weinstein says. Baby2Baby began in 2006 as a small grassroots L.A. resource for gently used baby items. But since Patricof and Weinstein—a former model and corporate lawyer, respectively—took over as co-CEOs in 2011, the organization has grown into a philanthropic empire reaching 1.5 million children living in poverty annually. Over those 15 years, the nonprofit has distributed more than half a billion essential goods, from diapers and newborn formula to baby blankets and breast pumps.…