When a man collapsed at the golf course where he worked, Perry High School sophomore Gabe Castro didn't hesitate -- he took action, KNXV in Arizona reports. With no AED nearby, Gabe performed life-saving CPR for 12 straight minutes, keeping the man alive until help arrived.The man survived and is now recovering, grateful for the 16-year-old who went way beyond his job responsibilities that day.He learned the life-saving skills just months earlier in a sports medicine class. After acing the real-life test, he's being hailed as a hero, but Gabe insists he was simply doing what anyone should in a similar situation.See more in the video player above.

When a man collapsed at the golf course where he worked, Perry High School sophomore Gabe Castro didn't hesitate -- he took action, KNXV in Arizona reports.

With no AED nearby, Gabe performed life-saving CPR for 12 straight minutes, keeping the man alive until help arrived.

The man survived and is now recovering, grateful for the 16-year-old who went way beyond his job responsibilities that day.

He learned the life-saving skills just months earlier in a sports medicine class. After acing the real-life test, he's being hailed as a hero, but Gabe insists he was simply doing what anyone should in a similar situation.