Experts Directory

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location Office Location: Administration Business Office Building
Mailing Address: UOG Station, Mangilao, Guam 96923


Accounting | Finance
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  • B.S., M.B.A., University of Guam Certified Public Accountant (CPA)
  • Certified Fraud Examiner (CFE)
  • Certified Government Financial Manager (CGFM)
David Atienza, PhD

Associate Professor, Anthropology & Micronesian Studies

location Office Location: HSS Bldg., Rm. 120C
Mailing Address: UOG Station, Mangilao, Guam 96923


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David Atienza received a PhD in Anthropology from the Complutense University of Madrid in 2006. He has taught history, philosophy, anthropology and applied linguistics at different institutions and universities in Spain. Dr. Atienza's research interests are focused on Cultural Identity Processes, Speech Analysis, Linguistic Anthropology, and Ethnohistory.   He has published the book, Viaje e Identidad: La Genesis de la Elite Quichwa-Otavalena en Madrid, a multilocal ethnography product of fieldwork conducted in Otavalo, Ecuador and Spain or La Violencia del Amor, an edited volume focused on different perspectives on human violence.  Dr. Atienza has recently published the articles “Death Rituals and Identity in Contemporary Guam” and “Embodied silent narratives of masculinities Some perspectives from Guam Chamorros” and he is working in ethnohistorical interpretation of the Mariana history with articles like “A Mariana Islands History Story” or “Priests, Mayors and Indigenous Offices: Indigenous Agency and Adaptive Resistance In the Mariana Islands (1681 -1758)”, among others.


  • M.A., Universidad Antonio de Nebrija
  • Ph.D., Universidad Complutense de Madrid
Jason Biggs, PhD

Associate Professor, Marine Molecular Ecology & Evolution (MMEE)

location Office Location: Marine Lab, Rm. 210
Mailing Address: UOG Station, Mangilao, Guam 96923


Marine Biology
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Research Interests

Estimated to comprise over 10,000 living species, the predatory prosobranch gastropods within the taxonomic superfamily Conoidea are arguably the largest single group of venomous animals presently known. What is surprising is that these slow-moving soft-bodied animals can be abundantly found on tropical coral reefs, which can be summed up by the universal motto “eat or be eaten.”

The genus Conus (suborder: Toxoglossa), commonly referred to as the cone snails, are the most famous of all venomous molluscs, as they have received a great amount of attention from pharmacologists for their ability to produce a functionally diverse group of small disulfide-rich peptides that act predominantly by wreaking havoc on the nervous systems of their prey and an even greater amount of attention from shell collectors for their incredibly ornate shells. Ecologically speaking, cone snails can be categorized into three groups, depending on their target prey: (i) the vermivorous cone snails are worm hunters that feed on polychaetes, hemichordates and echiuroid worms; (ii) the molluscivores are snail hunters that prey upon other gastropods; and (iii) the piscivorous cone snails are remarkable fish hunters who have venoms capable of rapidly paralyzing fish.

The innate beauty of this classification system is that it takes evolution into account while providing a classification system that potentially reflects upon the active components present in the venom, simply because venom components are heavily selected for by the necessity to rapidly subdue prey. What may work on snails, won’t necessarily work on fish; and examples of this can be found in the prey-specific activity associated with crude venoms isolated from Conus species with different prey.

My research interests include: (i) cataloging the feeding behavior of these incredible animals, understanding the biochemical mechanism by which the components of their venoms act; (ii) the biological diversity of neogastropod symbionts; (iii) the phylogenetic diversity that has resulted from the evolution of venom as a predatory strategy; and (iv) the application of venom components as pharmaceutical therapies to treat a variety of illnesses including cancer. These research interests are a great way to integrate both classical taxonomic and ecological approaches with modern scientific techniques (e.g., genetics, pharmacology, and marine natural products chemistry) in an effort to increase the awareness of molluscan species diversity in marine environments and their potential for enhancing the quality of life on Earth. 


  • B.A., M.S., University of Guam
  • Ph.D., University of Utah


Recent Publications

J. S. Biggs, M. Watkins, N. Puillandre, J.P. Ownby, E. Lopez-Vera, S. Christensen, K. J. Moreno, A. L. Navarro, P. C. Showers, and Baldomero M. Olivera. Evolution of Conus Peptide Toxins: Analysis of Conus californicus Reeve, 1844. Molecular Phylogenetics and Evolution. In press.

J. S. Biggs, M. Watkins, P. C. Showers, and B. M. Olivera. (2010) Defining a Clade by Morphological, Molecular and Toxinological Criteria: Distinctive Forms related to Conus praecellens A. Adams, 1854. Nautilus. 124(1), 1-19.

Peraud O., Biggs J.S., Hughen R.W., Light A.R., Concepcion G.P., Olivera B.M., and E.W. Schmidt (2009) Microhabitats within venomous cone snails yield diverse actinobacteria. Applied and Environmental Microbiology. 75(21), 6820–6826.

J.S. Biggs, Olivera B.M., and Y.I. Kantor (2008) Alpha-conopeptides specifically expressed in the salivary gland of Conus pulicarius. Toxicon. Jul;52(1):101-5.

J.S. Biggs, Rosenfeld, Y., Shai, Y., and B. M. Olivera. (2007) Conolysin-Mt: A Conus Peptide that Disrupts Cellular Membranes. Biochemistry, 46(44), 12586-12593.

J.S. Biggs, Jie Wan, N. Shane Cutler, Jukka Hakkola, Päivi Uusimäki, Hannu Raunio, and Garold S. Yost. (2007) Transcription Factor Binding to a Double E-Box Motif Represses CYP3A4 Expression in Human Lung Cells. Molecular Pharmacology, 72, 514-525.

Biggs, J.S. (2005) Lung-Selective Regulation of the Human CYP3A Genes. Ph.D. Dissertation. University of Utah, Salt Lake City, Utah 84112.

Matsumoto S.S., Biggs J.S., Copp, B.R., Holden, J.A. and L.R. Barrows . (2003) Mechanism of ascididemin-induced cytotoxicity. Chemical Research in Toxicology, 16, 113-122.

Puglisi, M.P., Paul, V.J., Biggs, J.S., and M. Slattery (2002) Co-occurrence of chemical and structural defenses in the gorgonian corals of Guam. Marine Ecology Progress Series 239:105-114.

J.S. Biggs (2000) The Role of Secondary Metabolite Complexity in the Red Alga Laurencia palisada as a Defense Against Diverse Consumers. Thesis. University of Guam Marine Laboratory. Mangilao, Guam 96923.

Harrigan, G., Luesch, H., Yoshida, W.Y., Moore, R.E., Nagle, D.G., Biggs, J.S., Park, P.U., and V.J. Paul. (1999) Tumonoic Acids, Novel Metabolites from a Cyanobacterial Assemblage of Lyngbya majuscula and Schizothrix calcicola. Journal of Natural Products. Vol. 62. Pp. 464-467.

Harrigan, G., Yoshida, W.Y., Moore, R.E., Nagle, D.G., Park, P.U., Biggs, J.S., Paul, V.J., Mooberry, S.L., Corbett, T.H., and F.A. Valeriote (1998) Isolation, Structure Determination, and Biological Activity of Dolastatin 12 and Lyngbyastatin 1 From Lyngbya majuscula/Schizothrix calcicola Cyanobacterial Assemblages. Journal of Natural Products. Vol.61. Pp. 1221-1225.


Lawrence F. Camacho

Dean, Enrollment Management and Student Success

location Office Location: Dean’s Office, EMSS-Student Center
Mailing Address: UOG Station, Mangilao, Guam 96923


Dr. Michael T. Carson, PhD

Associate Professor of Archaeology

location Office Location: MARC Room 117
Mailing Address: UOG Station, Mangilao, Guam 96923
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Mike T. Carson (Ph.D. in Anthropology, University of Hawaii, 2002) investigates archaeology and natural-cultural landscape histories throughout the Asia-Pacific region. 

External link for access to published works:

Steven Paul Centino, BS

Junior Computer Operator

location Office Location: Computer Center Building
Mailing Address: UOG Station, Mangilao, Guam 96923


Computer Science
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Assistant Professor, Mathematics

location Office Location: ALS 319
Mailing Address: UOG Station, Mangilao, Guam 96923


Mathematics | Statistics
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  • B.A., Korea University
  • M.S., Ph.D., University at Albany, State University of New York
 Tressa Diaz, MSW, PhD

Assistant Professor, Social Work

location Office Location: Dean's Circle, House #31
Mailing Address: UOG Station, Mangilao, Guam 96923


Social Work
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Tressa P. Diaz, received her MSW at Hunter College School of Social Work at the City University of New York and is currently a PhD candidate at the Myron B. Thompson School of Social Work (MBTSSW) at the University of Hawai`i at Manoa.

Tressa is a doctoral scholar under the University of Guam-University of Hawai`i Cancer Center U54 Partnership. Her research focus is on the social determinants of cancer disparities and access to quality healthcare among Chamoru and other Micronesian communities in the Pacific.

She is dedicated to community-centered research, cancer survivorship, and the preservation of indigenous resources. Her doctoral research is on access to care and barriers to colorectal cancer screening among Chamoru on Guam.


Her hobbies include: reading, tennis, and playing guitar.


  • B.A., University of Hawai'i at Manoa
  • M.S.W. Hunter College, City University of New York
 Mark A. Duarte

Director, Student Financial Aid

location Office Location: Calvo Field House 1st Floor
Mailing Address: UOG Station, Mangilao, Guam 96923
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  • B.A., M.P.A., University of Guam
Douglas S. Farrer, PhD

Associate Professor, Anthropology

location Office Location: EC Bldg., 1st Flr., Rm. 118E
Mailing Address: UOG Station, Mangilao, Guam 96923
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  • Ph.D. Anthropology
  • M.A. Social and Political Thought
  • BA (Hons.) Social Science (Sociology)

Dr. Douglas Farrer is Head of Anthropology at the University of Guam. He has conducted ethnographic fieldwork in Malaysia, Singapore, Thailand, Hong Kong, and Guam. Dr. Farrer's research interests include martial arts, the anthropology of performance, visual anthropology, the anthropology of the ocean, psychoanalysis, digital anthropology, and the sociology of religion. He authored Shadows of the Prophet: Martial Arts and Sufi Mysticism, and co-edited Martial Arts as Embodied Knowledge: Asian Traditions in a Transnational World. Recently Dr. Farrer compiled "War Magic and Warrior Religion: Cross-Cultural Investigations” for Social Analysis. Currently he is researching Brazilian jiu-jitsu and learning scuba diving.


  • B.A., Middlesex University, U.K.
  • M.A., University of Sussex, U.K.
  • Ph.D., National University of Singapore
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