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Mr. Gary DeMarcay received his undergraduate degree in Anthropology from the University of New Orleans and is Masters degree in Anthropology from Texas A&M University.  While an undergraduate Mr. DeMarcay performed archaeological survey at Jean Lafitte National Park and in east Texas along the lower Sabine river.  Additionally he participated in excavations at Big Oak Island, and at several sites in Jean Lafitte National Park as well as at the Hermann Grima House in the French Quarter of New Orleans.  He also served as an assistant crew chief and later as crew chief in the excavation of several Pueblo II period sites on Black Mesa in northeast Arizona.

As a graduate student Mr. DeMarcay specialized in zooarchaeology analyzing prehistoric faunal collections from Choke Canyon in south Texas, Jean Lafitte National Park in southeast Louisiana.  Mr. DeMarcay's M.A. thesis was on the analysis of faunal remains from Landergin Mesa in the Texas Panhandle.  After graduation he participated in the archaeological survey of Fort Hood in central Texas.

After the Fort Hood survey Mr. DeMarcay was hired by the U.S. Army Corps of Engineers (USACE) to manage a large-scale excavation project at White Sands Missile Range in southern New Mexico.  After completion of that project he managed several archaeological projects in the Pecos River valley of south New Mexico and in the woodlands of east Texas.  Responsibilities included Section 106 consultation, performing

After two and a half years with the USACE, Mr. DeMarcay transferred to the U.S. Bureau of Indian Affairs (BIA) in Gallup, New Mexico where he served as an archaeologist and an architectural historian.  His primary responsibility while at the Bureau of Indian Affairs was an inventory of historic school buildings on the Navajo Reservation in northwest New Mexico and northeast Arizona.  When the cultural resources responsibilities of the BIA were absorbed by the Navajo Nation, Mr. DeMarcay transferred to Navajo Nation Historic Preservation Department in Window Rock, Arizona where he served as Supervisory Archaeologist with overall responsibility for the Field Management, Forestry, and Navajo Studies sections as well as Section 110 of the National Historic Preservation Act.

In 1991, Mr. DeMarcay was hired as the archaeological program manager for U.S. Bureau of Land Management (BLM), Great Divide Resource Area in Rawlins, Wyoming.  His responsibilities included review of cultural resource reports and Section 106 compliance in support of oil and gas exploration in south-central Wyoming.  Performing Section 106 surveys in support of the BLM's Range and Realty sections, preparing Programmatic Agreements for Geophysical exploration on BLM lands throughout the state of Wyoming and Native American consultation with the Eastern Shoshone, Northern and Southern Arapaho, Northern and Southern Cheyenne and the Northern Ute Tribe.

After ten years at the BLM, Mr. DeMarcay transferred to the USACE, Galveston District.  While in Galveston his responsibilities included Section 106 surveys, review and compliance for offshore dredging projects throughout south Texas from the Sabine River to Brownsville Texas.  He also served as Contracting Officer's Representative (COR) for several cultural resource contracts.  In addition he performed National Environmental Policy Act compliance for two USACE reservoirs outside Houston Texas.

In 2003, Mr. DeMarcay, transferred to the National Forest Service (Forest Service) in Laramie, Wyoming where he served as Forest Archaeologist for the Medicine Bow-Routt National Forest and the Thunder Basin National Grasslands.  Responsibilities included supervising three District Archaeologist.  While at the Forest Service he conducted Section 106 surveys in support of the Roads, Wildlife, and Timber programs.  He also served as the Wyoming Forest Service representative in the preparation of a state-wide Programmatic Agreement with the Wyoming State Historic Preservation Office and the Advisory Council on Historic Preservation.

In 2006, Mr. DeMarcay returned to New Orleans to work for the USACE.  His primary duties were Section 106 consultation, acting as the District liaison to twelve Native American tribes, and serving as COR for two cultural resource contracts.  

In 2012, Mr. DeMarcay retired from federal service and in 2013 was hired by Earth Search, Inc. as Director of Project Development.

Director of

New Project Development