Who's Lora Helmer? And Why people around the world need her

Lora Helmer of Dallesport has received the President’s Volunteer Service Award in her efforts to provide emergency shelter and supplies to people in countries racked with natural disasters and war. She’s got two silvers and a bronze for the volunteer hours she has put in with ShelterBox USA. So who is this Lora Helmer and why does she do it?