Although once an undocumented immigrant, Juan Manuel âMannyâ Roa has managed to secure a job in the highly competitive tech industry despite his limited technical background. Roa first entered the United States illegally in 2001 when he was 11, but returned to his hometown of LĂĄzaro CĂĄrdenas in the state of MichoacĂĄn, MĂ©xico in 2011 […]