Community Research Advisory Board (CRAB)
The Johns Hopkins All Children’s Hospital CRAB is dedicated to fostering and sustaining relationships with community partners to optimize health outcomes for children and families within the Tampa Bay Region through research partnerships. The CRAB and its members additionally seek to educate and disseminate the value of research within our community. Using a community-participatory research approach, the CRAB advocates and develops collaborations that inform research strategies, policies, interventions, and resources to promote health equity for all children, all families everywhere.
We thank all of our CRAB members for their ongoing contributions to our mission.
CRAB Organizations and Members
Meet the CRAB Board
Sharlene Edwards, MPH, BSN, RN, CIC
Sharlene E. Edwards is a public health leader with more than 20 years of experience in infectious disease prevention, epidemiology and program management. She began her career in 2002 as Project Coordinator for the Rapid Assessment Response and Evaluation Project in Manatee County, assessing and addressing local HIV/AIDS transmission dynamics.
Sharlene spent 18 years with the Florida Department of Health, leading initiatives in STIs, epidemiology, preparedness, TB control, immunization and emergency response. Currently, she serves as a Public Health Advisor for National STI programs, adjunct faculty at the University of South Florida College of Public Health and lead public health consultant for My Better Living Health & Wellness Consulting, LLC. In these roles, she focuses on advancing evidence-based strategies, health equity, workforce development and innovative community health solutions nationwide.
Maria Pinzon, MA
Maria Pinzon has been the Executive Director of the Hispanic Services Council since 1996. With decades of experience in nonprofit and community work, Maria is deeply committed to advancing health equity and expanding access and opportunities for underserved communities, particularly immigrants.
Under her leadership, the Hispanic Services Council has built meaningful programs that address disparities in education, health and civic engagement. She serves on multiple community advisory boards to ensure Latino voices are heard and included. Before joining the Hispanic Services Council, Maria was the Director of Programmatic Operations at the Congressional Hispanic Caucus Institute and Outreach Coordinator for the National Association of Latino Elected Officials.
Stephen Marlin, MPH, CPH
Stephen Marlin is the Research and Surveillance Program Manager for the Florida Department of Health in Pinellas County. With a strong background in public health, he supported the ESF-8 outbreak response team during the COVID-19 pandemic while completing his master's at the University of South Florida.
As a lead surveillance epidemiologist, he focused on COVID-19, tuberculosis, HIV, STIs and behavioral health. In 2022, he led a research project examining the role of social determinants in COVID-19 case severity. Stephen is dedicated to advancing public health research and improving epidemiological surveillance at both county and regional levels.
Angela Tufts, M.Ed.
Angela Tufts is the Provider Services Manager at the Early Learning Coalition of Pinellas County and an adjunct professor at St. Petersburg College. With more than 30 years in early childhood education, her background spans classroom teaching, coaching, training and leading large-scale workforce initiatives.
She has developed and implemented programming designed to stabilize the early childhood workforce, strengthen professional pathways and support long-term educator retention. Passionate about elevating educator practice and improving outcomes for young children, she focuses on creating systems that promote high-quality instruction, strengthen child outcomes, empower professionals and enhance long-term success for families and communities.
Luke Johnsen, DO
Luke Johnsen focuses on program design, implementation and data collection while providing patient care in areas of public health concern, STDs and HIV. He currently assists with the design and implementation of less provider-focused and more technology-based methods of PrEP delivery, such as PrEP via telemedicine and same-day walk-in PrEP, while shifting from a provider model to greater use of peer navigation resources.
He has provided STD clinical and epidemiological training for medical residents and fellows at Johns Hopkins University and has given presentations to the community. He has an interest in HIV prevention, particularly in communities with limited resources or historically poor uptake of preventive measures.
Sara Shelby, LCSW
Sara Shelby is the Clinical Program Director at Florida Resurrection House (FRH), a nonprofit supporting families in poverty. She holds bachelor's and master's degrees in social work from the University of South Florida and is clinically trained in Child Parent Psychotherapy. Her background includes trauma, therapy, education, immigration services and homelessness prevention.
Since 2020, she has helped lead FRH's two-generational model, which combines case management, therapy and educational support to build family resilience. Passionate about Adverse Childhood Experiences and generational patterns, Sara designs programs that promote stability, self-sufficiency and lasting change for families facing economic hardship and trauma.
Jennifer Yeagley, MA
Jennifer Yeagley is the CEO of the St. Pete Free Clinic, having joined the organization in March 2020. During her time as CEO, the organization has more than tripled the number of individuals served and expanded its reach throughout Pinellas County.
Prior to stepping into this role, she was Vice President for Administrative & Strategic Operations for Gulf Coast JFCS. Jenn is on the Board of Directors for Bon Secours Mercy Health Foundation and is a board member for the Nonprofit Leadership Center Tampa Bay. Jenn was a recipient of Community Tampa Bay's 2020 Silver Medallion Award for her work promoting inclusion and equity.