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Ronald B. Aguon

Assistant Professor of Public Administration

location Office Location: SBPA 133
Mailing Address: UOG Station, Mangilao, Guam 96923
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  • BBA, Gonzaga University (Wash.)
  • MPA, University of Guam
  • J.D., Northwestern School of Law of Lewis & Clark College (Ore.)
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Academic Advisement and Assessment Coordinator

location Office Location: SBPA Bldg., Room 235
Mailing Address: UOG Station, Mangilao, Guam 96923
 Therese A. Chaco

Extension Associate (Guam Procurement Technical Assistance Center)

location Office Location: SBPA Bldg., Rm.116
Mailing Address: UOG Station, Mangilao, Guam 96923
Kenneth Choie, Ph.D.

Professor of Practice in Management

Mailing Address: UOG Station, Mangilao, Guam 96923
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  • B.A., Economics, Mathematics Minor, Illinois State University
  • Ph.D., Economics (Econometrics) and Business Administration (Finance), University of Michigan


  • 2010 - 2018: Professor of Finance, Sejong University (AACSB accredited) (Seoul)
  • 1995 - 2010: Registered Investment Advisor, Infinity Capital Management (New Jersey)
  • 1992 - 1996: Served on the editorial board of The Journal of Portfolio Management
  • 1986 -1994:  Portfolio Manager/Vice President, UBS Asset Management (New York)
  • 1984 -1986:  Analyst, Citibank, the Office of the Chief Financial Officer (New York)
Richard S. Colfax, Ph.D.

Professor of Human Resource Management and Management (Retired as of Sept. 30, 2020)

location Office Location: SBPA 121
Mailing Address: UOG Station, Mangilao, Guam 96923
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Dr. Richard Colfax, Ph.D., GPHR, SHRM-SCP, HRMP, SPHR-I, PHR, CM, CHRP
Dr. Richard Colfax, Ph.D. has extensive university teaching and international work experience in both Japan and Guam. The tenured (full) Professor of Human Resource Management and Management, he teaches undergraduate BBA and graduate PMBA and MPA courses. He coordinates and advises the Human Resource Management (HRM) undergraduate program which is certified & aligned with the SHRM national academic initiative.

Major current responsibilities include: SBPA Faculty Mentor, UOG Crisis & Disaster Team advisor and Advisor to various student organization including the award-winning SHRM Student Chapter, Student Veteran’s Organization, Sigma Beta Delta Honor, and Pohnpei Student Organization. He previously served as Graduate Faculty Coordinator, Promotion and Tenure Committee Chair; IRB compliance Chair, and Professional MBA (PMBA) Program Chair.

He is professionally certified in Human Resources from SHRM & HRCI; Risk & Crisis Management from FEMA/EMI and PATA International; and the EQ/EQ-I, Myers-Briggs Type Indicator (MBTI) and DISC-flex.
Dr. Colfax continues to collaborate with SBPA colleagues on research - publication efforts and presents at local and international conferences.

Dr. Colfax privately provides international human resource-management-business consulting services including federal contract partnering facilitation, performance evaluation development, business/market research & analysis, critical thinking and management team development. A fluent Japanese speaker, he has worked, consulted, trained and taught across the Asia-Pacific Region.


  • B.S., Economics and Comparative Literature, Sophia University (Tokyo)
  • M.A., Human Resource Leadership, Azusa Pacific University (Calif.)
  • M.A., Human Development, Fielding Graduate University (Calif.)
  • Ph.D., Human and Organizational Systems, Fielding Graduate University (Calif.)
  • PMBA, University of Guam
  • MPA, University of Guam
  • SHRM Senior Certified Professional
  • Global Professional in Human Resources
  • Senior Professional in Human Resources International
  • Human Resource Management Professional
  • Certified Healthcare Reform Professional
  • Certified Manager
Doreen T. Crisostomo

Professor of Accounting

location Office Location: SBPA 230
Mailing Address: UOG Station, Mangilao, Guam 96923
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Dr. Doreen Crisostomo is a Professor of Accounting at the University of Guam, where she has taught since 2005. Currently, she is the Accountability Director for the AGA-Guam Chapter, a reviewer to the Popular Annual Financial Reporting Award Program of the Government Finance Officers Association, and a member of the Guam Housing Corporation Board of Directors.

Dr. Crisostomo has worked in government service for over 25 years, including time spent as the deputy superintendent of finance and administration for GPSS; comptroller of GPA; controller for the Guam Housing Corporation; deputy/chief fiscal officer, and financial analyst in the Legislature; chairperson of the Finance and Planning Committee for the GMH Board of Trustees; senior vice president, and member of the Finance and Budget Committee of the National Association of Government Accountants. She also serves the community in other ways, including supporting fundraising efforts for educational purposes, natural disasters relief, and finance work.

She has published articles on topics of government accounting, accounting systems, and pedagogy. In recognition of her work, she has received several awards from the National Association of Government Accountants, including the Chapter Accountability and Transparency awards, the Platinum Level Chapter Recognition Award, and the Platinum Regional Vice President Award. She has also been awarded the UOG Community Awareness Award for research and was a nominee for the American Institute of Certified Public Accountants George Krull/Grant Thornton Teaching Innovation Award.



  • BBA, Accounting, University of Guam
  • MBA, Accounting, University of Phoenix
  • Ph.D., Organization and Management, Capella University (Minn.)
  • Certified Government Financial Manager
  • Certified Fraud Examiner
  • Certified Internal Controls Auditor
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Professor of Legal Studies

Mailing Address: UOG Station, Mangilao, Guam 96923
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  • B.A., Speech and Drama
  • MPA, Governmental Management and Public Administration
  • M.A., Development Communications, Public Information and Public Relations, Broadcast Communications and Journalism
  • DPA, Public Policy, Development Administration, International Administration, University of the Philippines


Guthertz’ focus of research is on public policy and public administration on Guam and in the Western Pacific. She was raised and educated on Guam and has served the University of Guam and the Guam comnunity in various capacities, such as academic vice president, tenured full professor, chair of Public Administraiton and Legal Studies, director of Public Safety, acting chief of police, chair of the Board of Education, and commissioner of the Consolidated Commission on Utilities.

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Program Manager, (Guam Procurement Technical Assistance Center)

location Office Location: SBPA Bldg., Rm. 116
Mailing Address: UOG Station, Mangilao, Guam 96923
Kevin K. W. Ho, PhD

Professor of Management Information Systems

location Office Location: SBPA 227
Mailing Address: UOG Station, Mangilao, Guam 96923
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Kevin K.W. Ho is the professor of management information systems at the School of Business and Public Administration. He is the co-editor-in-chief of Library Hi Tech and the associate editor of the International Journal of Systems and Service-Oriented Engineering. His research has been published in Computers in Human Behavior, Decision Support Systems, Information & Management, Internet Research, Behaviour & IT, Journal of Electronic Commerce Research, and Journal of Global Information Management, among others.


Ho's research interests include electronic service, information systems strategy, social media, green information systems, sustainability management, and electronic government. He has particular interest in using theories in risk, trust, value co-creation, and technology adoption as the basis for empirical research and practitioner enquiry related to the design of E-service.

He is working on projects in investigating how the development of trust and value co-creation in social media affect purchase intention of online consumers and how different design attributes of E-service website affect its adoption. He is also conducting research on the E-government and E-learning adoption and green information systems and sustainable management.


  • B.S., Applied Chemistry, Hong Kong Baptist College
  • M.Phil., Chemistry, The Chinese University of Hong Kong
  • M.A., Managerial Economics, University of Oklahoma
  • M.S., Information Systems Management, The Hong Kong University of Science & Technology
  • Ph.D., Information Systems, The Hong Kong University of Science & Technology
Bui Huong, Ph.D.

Associate Professor of Marketing

Mailing Address: UOG Station, Mangilao, Guam 96923
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Bui Thi Lan Huong received her doctorate in economics from the University of Aix-Marseille II, Center for International Economics and Finance, France. She holds an MBA with a concentration in marketing from the French-Vietnamese Center for Management Education, University of Economics Hochiminh City, Vietnam as well as a bachelor's in physical chemistry from the University of Saigon, Vietnam.

She was a Fulbright Visiting Scholar, a post-doctorate fellow at Johns Hopkins University School of Advanced International Studies.

Her areas of expertise include consumer behavior, market research, international marketing, tourism, retail industry, economics, international economics, economic integration, development economics and welfare and international business. She is fluent in French and English, speaks Russian, and is learning Japanese.

She is a seasoned scholar with extensive teaching and research experience and accolades to include numerous fellowships, scholarships, academic honors, and certificates.

In her free time, she is an independent consultant, freelance translator, organizing international study trips for master's students, and a short story writer.


  • B.S., Physical Chemistry, University of Saigon, Vietnam
  • MBA - Marketing, University of Economics Ho Chi Minh City (Vietnam)
  • Ph.D., Economics, University of Aix-Marseille II (France)
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