Current Professional Position: Emeritus Professor, Landscape Architecture Program. Oklahoma State University, Stillwater, OK, USA. Paul Hsu is interested in landscape architectural design; Geographic Information System; landscape architecture graphic delineation; Zen garden design; journal drawings; eco lodge resort development; sustainability; constructed wetland design; sustainable tourism; and aural architectural design. Hsu has extensive experiences in landscape architecture teaching, research and scholarly development; in commercial and residential landscape design and installation; in land reclamation, resort site design, and golf course site design; and in site construction, subdivision layout and development.