Who We Are


Alfred G. CAmmisa, Principal Investigator

Alfred G. Cammisa, owner of Tracker Archaeology Inc. since 1992, received his M.A. degree from Columbia University and has over 40 years experience working in archaeology. Special interests include spatial analyses and land use. He had previously worked for the American Museum of Natural History in Nevada and Georgia, the Bishop Museum in Ohau and Maui, the National Park Service in Alaska, California, Pennsylvania, Virginia, and Maryland. He was a volunteer archaeologist in Belize for the U.S. Peace Corp. For private contracting companies he has worked throughout New York and also Wisconsin, Michigan, Illinois, New Jersey, and South Carolina. Private work has included lands of, or permits for, U.S. Forest Service, DOD, FERC, FAA, HUD, Army Corp, DOT, & NPS.

Alfred has authored over 965 reports of archaeological investigation in 5 states, including Phase I, Phase II and Phase III data recoveries. He has published articles in the New York State Archaeological Bulletin and the Bulletin of the Massachusetts
Archaeological Society. Alfred has also taught college classes for the Anthropology Department at Suffolk County Community College- Brentwood campus. He is a member of numerous archaeological associations, is RPA certified, and past vice president of the Suffolk County Archaeological Association.


Alexander MArtin D'Amico, Field Director

With over 10 years of experience in archaeology Alexander D'Amico is a Registered Professional Archaeologist and trained Archaeobotanist. After receiving his Bachelor's in Anthropology Alex spent several years working with Tracker as an archaeological field technician. After a two year hiatus, during which time he earned a Master of Science degree in Environmental Archaeology from UCL's Institute of Archaeology, Alex has returned to Tracker as a Field Supervisor and Researcher. 

Alexander Padilla, CAD & Mapping 

Alexander Padilla earned his B.A. at SUNY Albany and is responsible for Tracker's CAD mapping, computer graphics, and artifact illustrations. Alex has been with Tracker since 2001, and has been responsible for directing field work, research, and mapping. He maps test pits, test units, stratigraphic & feature profiles, artifact density & distribution maps, and feature locations on a CAD system which is compatible with most engineering CAD programs. Alex also assists with field directing at times.


Research Associates 

Tom excavation.JPG

Thomas Amorosi PhD, Faunal & Forensic Analysis

Tom Amorosi, M.A. – New York University 1985; M.Phil. – Graduate and University Center, CUNY 1989; Ph.D. – Graduate and University Center, CUNY 1996.  Specialties include Zooarchaeology, Bioarchaeology and Forensic Anthropology.  Current research post, Research Associate at the Division of Anthropology, American Museum of Natural History (AMNH).  Teaching posts, Urban Archaeology Educator, Department of Education, AMNH; and Adjunct Professor at SUNY-New Paltz, Department of Anthropology.

Tom also owns and operates a consulting practice that can boast of a research-grade laboratory for the analysis of osteological materials. Tom is experienced with field recovery and excavation of human burials and animal remains. He is conversant in dealing with Medical Examiners Offices and the handling of NAGPRA cases as well as US. Fish and Wildlife regulations.  Tom has been contributing associate with TRACKER since 1998.

Joe Diamond Phd, Artifact analysis

Joseph E. Diamond, MA New York University 1986, Ph.D. SUNY Albany 1999. Specialties include historic and prehistoric archaeology, prehistoric ceramic analysis, historic glass and ceramic analysis. Peer reviewed publications have appeared in the New York State Archaeological Association Bulletin, North American Archaeologist, Northeast Anthropology, Journal Of Middle Atlantic Archaeology. Current Research in the Pleistocene, and Northeast Historical Archaeology. Currently a member of seven professional organizations. He has engaged in CRM work since 1977, and authored approximately 350 archaeological reports ranging from from Phase 1A to Phase 3 Data recoveries. Joe has worked with TRACKER since 1998 on artifact analyses.

Justine McKnight, Archeobotanical Analysis

Justine McKnight provides macro-botanical analysis and research services. Capable of handling
a wide range of research issues in a variety of reporting formats, McKnight has conducted
research in diverse geographical and temporal contexts throughout the Eastern Woodlands, the
Midwest, and the central and lower Mississippi River Valley. Since 1995, McKnight has worked
for an array of private and public clients including national and state governments, county and
municipal agencies, private foundations, universities, cultural resource management firms, and
public/interpretive archaeology projects. She has delivered archeobotanical reports in compliance
with the guidelines of myriad government agencies, including the Department of the Interior,
State Departments of Natural Resources, the U.S. Army Corps of Engineers, the U.S.
Department of Defense, and State Highway Administrations.

McKnight maintains a vast reference collection of plant species representative of the wild and
horticultural flora of North America. She endeavors to provide exacting technical performance
and maintains a keen interest in broadening our knowledge of prehistoric and historic subsistence
and land use. Ms. McKnight’s business is woman-owned- and-operated, and maintains state and
federal DBE/MBE certifications. McKnight has consulted on TRACKER projects since 1998.


kim croshier, shpo consultant & historian

Kim Croshier- Owner of Croshier Archeological Research since 2004, has over 20 years
of experience in the Cultural Resource Management field, including archeology,
historical research and consultation with the New York State Historic Preservation Office
(SHPO). Kim earned her BA in Anthropology and History, with a minor in Native
American Studies from SUNY New Paltz in 1995. Croshier is a 36 CFR part 61
(Secretary of the Interior Qualified) Historian and has authored multiple parcel histories
for Phase II Archeological Reports based on deeds, wills, population census, agricultural
census and industrial census, gravestone searches, newspapers, in addition to other
historical documents. Specialties also include, literature searches and building inventory
searches through the NYSHPO CRIS website, historic map retrievals, submissions of
proposed projects and archeological reports to the NYSHPO CRIS website and
consultation with SHPO staff in efforts of Historic Compliance under Section 106 of the
National Historic Preservation Act (NHPA). Croshier Archeological Research maintains
a WBE (Women Business Enterprise) and SAM (System for Award Management) status
with the State and Federal Government. Croshier has been working with Tracker since
2011, conducting research and submitting Archeological reports.