GREEN LONGHORN INC. Green Longhorn Inc. (GLI) is a family-office management company based in Marble Falls, Texas, overseeing properties, domestic activities, assets, and non-profit organizations. We are committed to excellence in our philanthropic endeavors and comprehensive support for family office clients. JOB TITLE. Facilities and Construction Director. POSITION OVERVIEW. We seek a dynamic Facilities and Construction Director to oversee the d...