Mr. Green is a graduate of the University of Arizona and is a registered structural engineer in California, Nevada, New Mexico, and Arizona.

Since 1972 he has his own structural engineering and architectural preservation firm specializing in existing and historic buildings as well as building code development research. Projects include earthquake strengthening and restoration of the San Gabriel Mission, Mission San Jose and Mission San Diego. He was the engineer for the repair of Frank Lloyd Wight’s Hollyhock and Ennis houses. He has worked for Clark County and other communities throughout Nevada.

Recent work for the National Park Service includes consulting on structures in Yosemite and Channel Islands National Parks as well as the Kiva structure in Bandelier National Monument. He is a specialist in adobe buildings. He was principal investigator for the development of FEMA 310 project and has participated in the development of the Incremental Seismic Rehabilitation Series, FEMA 395 through 399 as well as other FEMA publications.

Mr. Green was an adjunct professor at Goucher College where he taught materials evaluation and conservation and at the University of Arizona teaching the Timber and Masonry design course.