From City & State:

After being raised by a nurse single mother in Brooklyn and making it to Harvard, David Garza went into retail and the corporate world. But a 2001 epiphany about his enthusiasm for service had him take a 180, and he filled in teaching a résumé writing course at Henry Street Settlement. He was quickly hired full time and then ran the whole workforce development section before being selected to head the whole organization in 2010, overseeing an organization providing an enormous range of social services.

You can read the rest of David Garza's profile here>>