Gregg Henry has been designing and building energy-efficient and and architecturally-sensitive homes for thirty years, as President and CEO of his company, Full Circle Builders. As a founder and Board Member of Mesilla Valley Preservation, and former Board Member and Board Chair of Southwest Environmental Center, he is actively engaged in education and outreach regarding cultural and environmental elements in southern New Mexico and the desert Southwest. His interests include adobe / earth-built vernacular architecture, acoustic music, small boats, and woodworking. He pretends to play a little mandolin and hopes that an informal acoustic music group will form on this voyage. He is married to anthropology faculty member Wenda Trevathan. This will be his third voyage with SAS.