Experience
2010 to Present, Charles Phelps Taft Professor, University of Cincinnati, Cincinnati, Ohio.
2010 to Present, Distinguished Research Professor, University of Cincinnati, Cincinnati, Ohio.
2008-2010, Head of Department of Anthropology, University of Cincinnati, Cincinnati, Ohio.
2006-, Co-director with Fred Valdez, Jr. (University of Texas at Austin) (since 2000), Three Rivers Archaeological Project , Belize and Guatemala, Central America .
2004-, Co-director with Fred Valdez, Jr. (University of Texas at Austin) (since 2000), Three Rivers Archaeological Project , Belize, Central America.
2001-, Co-director with Fred Valdez, Jr. (University of Texas at Austin) (since 2000), Three Rivers Archaeological Project , Belize, Central America .
1999 to Present, Professor of Anthropology, University of Cincinnati, Cincinnati, Ohio.
1997-1998, Principal Investigator with Drs. Nicholas Dunning (UC) and Fred Valdez, Jr. (University of Texas at Austin), , Belize, Central America .
1997-, Principal Investigator with Dr. Stephen Lansing (University of Michigan), , Bali, Indonesia .
1995-, Co-director with Dr. Sam Sherrill (UC-DAAP), with supplemental support from Dr. Stephen Lansing (University of Michigan), , Belize.
1994-, Surveyor for Dr. Gisela Walberg (Director–UC—Classics Department), Midea Archaeological Project, Argolid, Greece.
1994-, Director, Ancient Maya Water Management Project, Belize.
1992-, Director, Ancient Maya Water Management Project, Belize.
1992-1999, Associate Professor of Anthropology, University of Cincinnati, Cincinnati, Ohio.
1991-, Director, Ancient Maya Water Management Project, Guatemala.
1990-, Surveyor for Drs. Fred Valdez (University of Texas) and Leslie Shaw (Andover Foundation for Archaeological Research), Co directors, Kichpanha Archaeological Project, Belize .
1988-1992, Assistant Professor of Anthropology, University of Cincinnati, Cincinnati, Ohio.
1987-1988, Co director with Thomas O’Laughlin (University of Texas at El Paso), University of Texas at El Paso/Texas Highway Department, Texas .
1986-, Investigator, University of Peshawar/Fulbright Program, Pakistan .
1986-1987, Instructor of Anthropology, University of Texas at El Paso, El Paso, Texas.
1986-, Fulbright Lecturer of Archaeology, University of Peshawar, Pakistan.
1983-, Instructor of Anthropology , University of Alabama and the University of Texas at El Paso, Yucatan, Mexico.
1983-, Director of Archaeological Field School, University of Texas at El Paso, Texas.
1983-1985, Director, Meyer Pithouse Project, El Paso, Texas.
1982-, Director, University of Khartoum, Sudan.
1982-, Director of Archaeological Field School , University of Khartoum, Sudan.
1982-1983, Lecturer of Anthropology, University of Texas at El Paso, Texas.
1981-1982, Lecturer of Archaeology , University of Khartoum, Sudan.
1981-, Surveyor for Dr. Anthony Marks (Director–SMU), University of Khartoum/Southern Methodist University, Sudan.
1981-, Field Director with Dr. David Freidel (Overall Director–SMU), Southern Methodist University, Belize .
1980-, Instructor in Archaeological Field Methods, Southern Methodist University and Fort Burgwin Research Center, Taos, New Mexico.
1979-, Surveyor for Dr. Anne Woosley (Director–SMU), Southern Methodist University at New Mexico; Fort Burgwin Research Center, Taos, New Mexico.
1976-1977, Laboratory archaeologist, Southern Methodist University , Texas .
1976-1979, Surveyor for Dr. David Freidel (Principle Investigator–SMU) , Southern Methodist University, Belize .
1975-, Research archaeologist, Southern Methodist University, New Mexico .
1975-, Archaeologist, Bureau of Land Management , Boulder, Montana.
1975-, Excavator , Eastern New Mexico University, New Mexico .
1974-, Archaeologist, Bureau of Land Management, Dillon, Montana.
1973-, Excavator and Laboratory assistant, University of Oregon, Oregon.
1970-, Student excavator, University of Oregon, Oregon.
Other Experience and Professional Memberships
American Anthropological Association.
American Association for the Advancement of Science.
Association for Field Archaeology.
Current Anthropology.
Indo-Pacific Prehistory Association.
International Water History Association.
Latin American Studies Program at the University of Cincinnati.
Sigma Xi.
Society for American Archaeology.
Member of Board of Directors AHAU Foundation (philanthropic foundation for Maya research).
Research Associate , Museum of Indian Arts and Culture/Laboratory of Anthropology, Santa Fe, NM.
Research Associate , School of American Research, Santa Fe, NM.