A Door to Hope is a Christian non-profit organization founded in 2003 by Brent Gambrell that provides relief and sustainable programs in Haiti. It operates long-term programs in areas like homebuilding, agriculture, education, and orphan care from its main office in Nashville, Tennessee. The organization effectively uses social media like Facebook, Twitter and Instagram to share photos and updates about its mission work in Haiti and keep supporters informed. The document suggests A Door to Hope could further improve its outreach through additional tools like podcasts and a blog.