The Hausers work with the CMF team to establish a church-planting movement among an unreached people group, using Chronological Bible Storytelling (CBS) and Community Health Evangelism (CHE). Their current emphases within the participatory development spectrum are beekeeping, trees, soil restoration, nutrition and raising chickens.

Brian and Tabitha are blessed with five children: Sam (2004), Will (2006), Ana (2008),  Joseph (2010), and Ela (2012).