Currently conducting research on environmental art and designed landscapes that were commissioned in land reclamation contexts, he has authored numerous articles including “A Composed Ecology: After 20-plus years, how is Herbert Bayer's renowned Mill Creek Canyon Earthworks holding up?” (Landscape Architecture, March 2003.) and “Environmental Art as Sustainable Design: Mill Creek Canyon Earthworks and Effigy Tumuli Sculptures.” (CELA Conference Proceedings, Spring 2004). Prior to entering academia fulltime, he practiced landscape architecture for 25 years with a variety of firms including Hargreaves Associates, Peter Walker and Partners, and Hanna/Olin, Ltd.