Sosthene Siyou

Health Policy 

Health Policy Analysis 

Public Health Communication

Food Laws and Public Health 

Health Care Budgeting and Finance 

Integrative Learning Experience 

Publications & Research 

• Siyou, S. (2024). Using the Health Belief Model in Nutrition Counseling for Chronic Disease Risk Reduction. [Manuscript] in Nutrition and Health Journal/Sage. ID NAH-24-039
• Siyou, S. (2018). Immigration and Dietary Behaviors Among Hispanic Populations in California. A Secondary Analysis of the 2015 California Health Interview Survey. [Doctoral dissertation, A.T. Still University]. ProQuest Dissertations & Theses Global. 

Conference Abstracts                                                                           

• Siyou, S. (2024). Exploring the Development of Health Belief Model-Based Assessment Instruments for Improving Nutrition Counseling Outcomes. [Submitted Abstract ID 1942440]. 2025 SOPHE Annual Conference, Long Beach, California. April 16 – 18, 2025.
• Siyou, S.(2007). Reinforcing access to condoms through automatic distributors for HIV prevention: The pilot experience of Cameroon. [Abstract]. International conference on HIV in Atlanta, GA. December 2-5, 2007
• Siyou, S.(2007). Social factors that influence clinical trials for HIV prevention: The case of Tenofovir project in Cameroon. [Abstract]. 4th International Francophone conference in Paris, France. March 30 – April 1, 2007

Public Presentations

• Siyou, S.(2008). Determinants of the persistence of HIV stigmatization in Cameroon, Central Africa, and Chad. [PowerPoint Sides]. IRESCO, Yaoundé, Cameroon
• Siyou, S.(2007). Feasibility study of a regional design of condom for HIV prevention in the CEMAC zone (Cameroon, Central African Republic, Chad). [PowerPoint Sides]
• Siyou, S.(2006). Outcome assessment of Tenofovir project (clinical trial) in Douala. [PowerPoint Sides]

Technical Reports 

• Siyou, S. et al.(2008). Evaluation of the universal access to prevention, treatment, and care initiative in Cameroon. UNAIDS & IRESCO
• Siyou, S., Bengoa, N. (2008). Qualitative assessment of the project of youth accessibility to condoms for HIV prevention in Cameroon; UNFPA/IRESCO
• Nyiama, T., Yomi, G., Siyou, S; Koumaga, O., Njakou, E., Ndzana, B., Mboua, C., & Touko, A.(2008). Analysis of determinants of persistence of  stigmatization and discrimination towards people living with HIV. IRESCO/FOCAP/OCEAC/PFW Group
• Nyiama, T., Siyou, S. & Kiawi, E.(2007): Community engagement consultancy in support of rapid qualitative assessment of perceptions of HIV research initiation and conduct in Southwest, Littoral, and Center provinces in Cameroon. IRESCO & CDC (Centers for Disease Control & Prevention)/ U.S. Embassy, Cameroon
• Nyiama, T., Yomi G., Koumaga, O., Siyou, S., & Ndzana B. (2005).  knowledge, attitudes, and practices pertaining to HIV of long-distance truck drivers and single ladies on highways in Cameroon. CARE/IRESCO
• Nyiama, T., Yomi G., Koumaga, O., Siyou, S., & Ndzana B. (2005). Baseline study of the communication for behavioral change program pertaining to IST/VIH/SIDA. IRESCO/Global Fund
• Nyiama, T., Nouthe, J., Siyou, S., & Ndzana, B. (2005). Evaluation study of health care facilities for the project of support to the socio-economic development of Baka populations
• Yomi, G., Siyou, S; Koumaga, O., & Kwite, M. (2004). Evaluation Study of the Project “Distribution of Mosquito Nets for Fight Against Malaria in Center, South and East Provinces in Cameroon”. IRESCO/ACMS/PSI
• Nyiama T., Njikam S., & Siyou, S. (2003). Mapping of HIV High transmission areas in Douala, a component of the « Formative Research in Support of Phase 2 Extended Safety and Effectiveness trials of Tenofovir Dixoproxil Fumarate for HIV prevention »; IRESCO/FHI
• Nyiama T., Njikam S., & Siyou, S. (2003). Availability of prevention and care for HIVin Douala, a component of the « Formative Research in Support of Phase 2 Extended Safety and Effectiveness trials of Tenofovir Dixoproxil Fumarate for HIV prevention »; IRESCO/FHI
• Nyiama T., Njikam S., & Siyou, S. (2003). Testing of a community-oriented processfor the development of an informed consent for clinical trials in Douala, a component of the "Formative Research in Support of Phase 2 Extended Safety and Effectiveness trials of Tenofovir Dixoproxil Fumarate for HIV prevention"; IRESCO/FHI
• Yomi G., Nyiama, T., Njikam S., & Siyou, S. (2003). Community consultation to assess clinical trials compatibility with local communities in Douala: A component of the "Formative Research in Support of Phase 2 Extended Safety and Effectiveness trials of Tenofovir Dixoproxil Fumarate for HIV prevention"; IRESCO/FHI
• Nyiama T., Winfrey, W., Cheta C., & Siyou, S.(2002). Knowledge, attitudes, and practices of health care providers pertaining to emergency contraceptive Norlevo® in Cameroun, Yaoundé. IRESCO/CMS-USAID

• Certified Health Education Specialist (CHES), NCHEC
• Food Safety & Quality Internal Auditor Certification, NSF
• Preventive Control for Human Foods, FS-Alliance for Preventive Control
• Food Defense Certification, Food and Drug Administration (FDA)
• Food, Nutrition, and Health Certificate; Florida Central University
• Safe Quality Food (SQF) System Implementation Certificate; SQF Institute
• HACCP Certification; American Institute of Baking, USA
• Food Safety and Sanitation Certificate; Penn State University
• Research Ethics Certificate, Family Health International

• Doctorate in health education (public health-oriented coursework with dissertation), A.T. Still University of Health Sciences, MO
• Master of Science in food and human nutrition, Indiana University of Pennsylvania, PA
• Graduate diploma of advanced studies in rural sociology, University of Yaoundé 1, Cameroon
• Master's degree in agronomic engineering (economics & rural sociology concentration), University of Dschang, Cameroon  
• Bachelor of Science in biochemistry, University of Yaoundé 1, Cameroon