Meet Our HIV Prevention and Care Team

Marvin Gifford

Public Health Services Manager, HIV/AIDS Program Coordinator, HIV Prevention and Linkage To Care

Marvin has over 30 years of professional experience in corporate environments, including business management, workplace performance coaching, and building successful teams through skills development and customer service training.

In 2018, he turned his focus to serving the community he lives in, by joining the Florida Department of Health in Monroe County. Marvin now works in HIV prevention and care through educational community events, and growing partner/provider relationships in Monroe County. He also spends a great portion of his time behind the scenes by gathering, reviewing, and reporting on surveillance data in order to support Monroe County’s success in ending the HIV Epidemic.

Lisset Ivey, M.D., M.S.

Senior Human Services Program Specialist, Early Intervention Consultant Region 11b

Lisset serves as the Early Intervention Consultant and Prevention Training Consultant for Area 11B, Florida Department of Health in Monroe County (DOH-Monroe), located in the Florida Keys. She has been in the HIV/AIDS field since 1996 and began this important journey working for the American Red Cross doing ethnically diverse HIV Prevention community focused presentations. She has also worked in the housing field in the HOPWA and Section 8 Programs. She also managed the Central West and Centro Oeste Catholic Charities Adult Day Care Centers.

In 2008, she completed her doctor of Medicine from St. George’s University School of Medicine, St. George’s, Grenada. Her Clinical Rotations were completed at Staffordshire General Hospital in Stafford, England.

In 2020, Lisset joined DOH-Monroe which has provided her with the opportunity to work very closely with local partner organizations to bring HIV testing and prevention awareness to the Florida Keys community. She also serves as the trainer for the HIV 501 course and HIV 501 updates for registered HIV testing sites and providers to offer HIV testing and counseling.

Jason Bertrand CCMA, CPT, RON

Health Program Educator (Regional HIV Linkage to Care and Outreach Coordinator) and Information Security and Privacy Coordinator

Jason Bertrand is a New England Native who relocated to the Florida Keys in 2015. Since his arrival in Monroe County he has worked in serval different capacities, but always centered around helping others and the community.  

Jason's medical career started back in high school a volunteer patient and specimen transporter. He is a trained emergency medical responder and phlebotomist. Jason holds his national certification as an certified clinical medical assistant. Jason is currently working towards earning is bachelors in public health.

In 2018 he began his work in public health and infectious diseases. Jason serves as the linkage to care and outreach coordinator for the HIV prevention and treatment program at DOH-Monroe.

In his free time, you can find him traveling, volunteering in the community, officiating weddings on the beach, or notarizing documents. Jason is a very proud uncle to his niece and nephew. 

Dawn Dumas

Human Services Counselor, AIDS Drug Assistance Program (ADAP)

Dawn Dumas is a “Freshwater Conch,” raised in Key West, Florida. She joined ADAP in 2020, serving as coordinator for the AIDS Drug Assistance Program.

With a background in human services, Dawn has worked for the advocation of disadvantaged children and adults for more than 20 years.

When Dawn is not spending time with her family, she enjoys traveling the world and experiencing new cultures.