Emory Staff

Amanda Tichacek, MPH

Associate Director Research Projects

Amanda has a Bachelor of Science in Biology from Virginia Tech, and a Master of Public Health in Epidemiology from the University of Alabama at Birmingham. While a graduate student, Amanda was a research assistant and teaching assistant for Dr. Allen, and was an intern in Lusaka from 1999-2000.  She joined the RZHRG team full-time in 2003, and manages all aspects of research, program, and compliance for the three research centers in Rwanda and Zambia. Specific tasks include designing and implementing research protocols and materials; developing budgets and work plans; designing data collection tools and management systems; monitoring, evaluating, and reporting progress as it relates to program and financial deliverables; obtaining regulatory approvals for all research protocols; and disseminating results.

Rachel Parker

Rachel Parker, MSPH

Associate Director Research Projects

Rachel first began working with RZHRG as an MSPH Epidemiology student in 2012, completing a Global Field Experience (GFE) practicum project in Lusaka, Zambia and her thesis with Dr. Susan Allen as her advisor. Since graduating from Rollins School of Public Health in 2013, Rachel has worked in the RZHRG office at Emory University with a focus on all data-related aspects of approved research projects including development of data collection forms and databases; analyzing program data for quality assurance using Statistical Analysis Software (SAS); disseminating findings in abstracts and scientific manuscripts; preparing progress reports and submissions to regulatory bodies; monitoring and evaluation; and assurance of data collection consistency via frequent field site visits.

Erin Hallett, MPA

Operations, Manager of Programs and Research

Erin has served in the nonprofit community health sector for over 10 years. After receiving her MPA degree in 2009, Erin joined a nonprofit health center where she managed the organization’s clinic operations, human resources, and quality assurance. As Operations Director, she was responsible for grant administration, financial accounting, and program management for the center. Erin joined RZHRG in 2018, and currently works as a Manger of Programs and Research. Erin is responsible for managing all aspects of administrative, financial, and research activities in support of clinic sites in Rwanda and Zambia.

Center for Family Health Research / Projet San Francisco

Jean Bizimana

Mr. Bizimana has worked in the health field for more than 20 years, and has served as laboratory manager for more than 15 of those years. He received an RN from the Institute of Hospital Technics, Belgium, as well as a BS in Public Health from the Catholic University of Louvain, Belgium, a Diploma in Infectious Diseases from the University of London International Programme, and a Master of Science in Infectious Disease from the University of London International Programme. He also has advanced training in the laboratory techniques of PBMC Isolation and storage using LIMS or LDMS software, ELISPOT assays, flow cytometry, and data analysis using FlowJo software. Mr. Bizimana’s research interests are in the detection of STI, HIV and STI in men who have sex with men, and female sex workers using GeneXpert and using PCR technologies to determine transmitted HIV genetic linkage. Over the last fifteen years, Mr. Bizimana has worked to set up the PSF laboratory in accordance with full accreditation for Good Clinical Laboratory Practices, in addition to being involved in HIV prevention research and supervising other laboratory activities. Mr. Bizimana also directs the laboratory in conducting HIV vaccine and malaria therapeutics clinical trials.    

Amelia Mazzei

Dr. Mazzei has over 10 years of experience in public health.  She holds a Master’s of Public Health in Global Health and Infectious Disease along with a graduate certificate in Humanitarian Emergencies from Emory University, a Doctorate of Naturopathic Medicine from the National University of Natural Medicine, and additional certifications in family planning and HIV service integration, HIV prevention for key populations, gender and health, and crisis and emergency risk communication.  She joined RZHRG’s Atlanta office in 2015, where she provided regulatory support to clinical research trials and developed training content and tools focused on sexual and reproductive health and stigma reduction.  In 2016, she conducted a program evaluation and rural clinical needs assessments across Rwanda in order to inform national scale up of couples’ family planning counseling and provision of long-acting reversible contraceptives.  She joined the Kigali team full-time in 2017 as Program Manager of the Key Populations Program. In this role, she was responsible for designing and implementing HIV case-finding and prevention activities nationwide and participating in national HIV and PrEP technical working groups to support the Rwandan Ministry of Health’s capacity building efforts.  She is currently coordinating a mass vaccination campaign against Ebola, alongside implementation research to assess feasibility of large-scale emergency use vaccination programs.  Prior to joining RZHRG, she managed an inpatient mental health and addictions treatment program and provided integrative primary care to vulnerable populations. Dr. Mazzei is committed to advancing health equity and is particularly interested in integrating harm-reduction models into health services.

Zambia Health Research Project


Tyronza Sharkey

Ms. Sharkey has worked in the public health field for over 10 years. She completed a Master of Public health in International Health, with an emphasis on epidemiology, from the University of Alabama at Birmingham. She is currently a Doctor of Public Health Candidate in Infectious and Tropical Diseases at the London School of Hygiene and Tropical Medicine. Ms. Sharkey has served in a variety of roles with RZHRG since starting her public health career. She has worked in Human Resource and Administrative Management, and as a Lab Manager and Lab Director across all three study sites in Kigali, Ndola, and Lusaka. Ms. Sharkey now serves as the coordinator for RZHRG in Lusaka and Ndola, Zambia. She coordinates programmatic, clinical trial and research activities for field sites in Zambia; ensures field site departments adhere to Standard Operating Procedures (SOP) and Good Clinical Practice; in addition to coordinating and collaborating on the development, review, and revision of protocols, data collection tools and SOPs for field activities. 

Contact Us

Rwanda Zambia Health Research Group (RZHRG)

Emory University: 1930-001-1AP
101 Woodruff Circle, WMB Suite 7100
Atlanta, GA 30322

Email: info@rzhrg-mail.org

Project San Francisco (PSF) Center for Family Health Research (CFHR)

Street Address: KK 19 Av, No. 57, Kicukiro, Kigali, Rwanda
Mailing Address: BP 780 Kigali, Rwanda
Telephone: +250 252 503 233

Zambia Health Research Project (ZaHRP) – Lusaka

Street Address: B22/F737 Mwembelelo Road, Emmasdale, Lusaka, Zambia
Mailing Address: PostNet 412, P/Bag E891, Lusaka, Zambia
Telephone: +260966 964176

Zambia Health Research Project (ZaHRP) – Ndola

Street Address: 24 Lupili Road, Northrise, Ndola, Zambia
Mailing Address: PO Box 240262, Ndola, Zambia