Our Board

Blake Caldwell, MD

Chair

Blake Caldwell is a physician and scientist who retired in 2010 from the Centers for Disease Control and Prevention. She is a pediatrician, but her early career included 8 years in the Navy doing bacterial research with a two-year tour teaching tropical public health and deployment medicine to Navy physicians in Panama. She joined the CDC in 1989 and her long career there included epidemiological research in HIV, health services research in health care quality and medical errors, and finally health policy for infectious diseases.

She developed and initially ran Skidaway Farms, a large community garden on Skidaway Island. She chairs the Agriculture and Archaeology Committees for Sustainable Skidaway. She is currently serving on the Board of Directors for the Landings Association. She has been Co-chair of the Savannah/Chatham Food Policy Council since 2013 and helped found the Healthy Savannah Grant Planning Working Group. In 2011-2012 she chaired a task force for the Metropolitan Planning Commission to revise the city and county animal control ordinances to encourage urban agriculture.

Blake is married to Joel Rosenstock, an Infectious Disease physician practicing in Atlanta and they have two sons and three grandsons.

“How is Healthy Savannah is making an impact? Healthy Savannah had had a tremendous impact on the grant funding in the community through its Grant Planning Working Group helping coordinate grant planning for many successful grants since its inception.”

Tom Bullock, PhD

Vice-Chair

Dr. Bullock is the Retention Specialist for Georgia Southern University, Armstrong Campus’ TRIO Student Support Services program and serves on the President’s Diversity Advisory Council. He serves as a Board member for numerous nonprofit organizations including, the Savannah Multicultural Chamber of Commerce, Healthy Savannah, The Heritage Signature Chorale, Whitman-Walker Health, United Aid for Africa, Resurrection Catholic Church Pastoral Council, and the Savannah Technical College Foundation.

Dr. Bullock is the founder and CEO of the nonprofit organization LEADERS, Inc., which serves to prepare undergraduate students for self-reliance, postgraduate opportunities, and leadership through the facilitation of, and exposure to, social and cultural competencies, professional development, and life skills.

One of his favorite sayings is, “Don’t wait for tomorrow to be successful, do one successful thing each day.”

Nick Deffley, MS

Treasurer

Nick Deffley is the Director of Environmental Services & Sustainability at the City of Savannah, promoting a healthy, equitable, and economically vibrant community for our current citizens and future generations. Nick has worked with a variety of organizations locally including Armstrong University, Emergent Structures, Sustainativity, and Step Up Savannah on strategic planning, workforce development, and sustainability efforts. Prior to Savannah, Nick worked at the University of Minnesota, Twin Cities where he developed sustainable building policies, managed the University’s first sustainable building program, and improved collaboration with women and minority-owned businesses on sustainable building projects. Nick has a multi-disciplinary Bachelor’s degree in Environmental Studies, Political Science & Communications and a Masters in Environmental Policy & Organizational Effectiveness.

“The impact of Healthy Savannah is a direct result of its breadth and depth of relationships, connections, and partnerships that it has developed among so many organizations and people in Savannah and beyond. Healthy Savannah’s collaborative and inclusive approach spurs innovative policy, environment and systems change that has far-reaching impacts on the health of Savannah and its residents.”

Cheri Dean

Secretary

Cheri Dean believes when basic human needs are met, individuals experience a greater sense of purpose and well-being. Fostering resiliency, through stability, a sense of belonging, and economic mobility, is the focus of her work at the United Way of the Coastal Empire. As a native of Savannah, Cheri is passionate about collaborating with the community and strategic partners to improve lives, especially in Coastal Georgia.

Dean earned a BA in Economics from Spelman College, MBA from Duke University, Fuqua School of Business, and MPH from Johns Hopkins University School of Public Health. She began her career in Corporate America selling and marketing consumer products, providing strategic oversight for advertising executions, leading annual business planning cycles, among other critical functions. After a successful Corporate career, Cheri joined the ranks of entrepreneurs and advocates committed to social impact within vulnerable populations. In her hometown of Savannah, GA, she found a critical need to help young adults navigate their way out of poverty through educational achievement, meaningful employment, and other wraparound services.

Cheri serves as a Board Member of Savannah Economic Development Authority, Senior Citizens, Inc., Keep Savannah Beautiful, and other community organizations.

Why is Healthy Savannah important?

“Healthy Savannah is an organization with demonstrated innovation and impact in our community. The Healthy Savannah Team is committed to equitable solutions for every aspect of life including food, exercise, safe, neighborhoods, and policies that shape our experience as Savannah residents. They embody health through their optimistic and resilient approach to making life better and healthier for all of us. It’s a privilege to serve and advance Healthy Savannah’s priorities in collaboration with our community.”

Yolanda Roberson

Member at Large

Yolanda Roberson is the co-founder of Kingdom Life Christian Fellowship, Inc. Kingdom Life is a community-driven and holistic ministry located on the Southside of Savannah, Georgia. Yolanda has served for the past 18 years as Executive Pastor.

Yolanda is an alumnus of Alfred Ely Beach High School. She is a graduate of Savannah State University where she earned a Bachelor of Social Work degree.

Yolanda has a passion for the needs of people. She previously worked as a Case Manager for Coastal Center for Developmental Services for several years before devoting herself to full-time ministry. She has a desire to serve women of all ages and backgrounds. As a result, this led her to formulate “The Ladies of Life Women’s Group” which empowers women to become, and be, their best in every area of their lives.

Yolanda is married to Charles P. Roberson Sr., who serves as the Senior Pastor of Kingdom Life Christian Fellowship, Inc. They have two adult children, Charles, Jr. and Channah Patrice.

Healthy Savannah is important because it affords the opportunity to educate and provide healthy options and resources to communities and people who are underserved.

Healthy Savannah is making an impact through awareness, policy changes, and implementation of physical support and education for the community through the numerous opportunities that it provides.

Rhonda Barlow, MPH, RDN, LD, CLC

Rhonda Barlow is a Registered Dietitian and a Certified Lactation Counselor. She has worked in various capacities as a public health nutritionist for over 30 years, two of those years as a Peace Corps Volunteer. She currently works as a School Nutrition Coordinator with Chatham Public Schools. Rhonda has volunteered with Healthy Savannah since 2007. She also serves as the chair of the Healthy Savannah Faith and Healthy Coalition.

“Healthy Savannah is important because it’s the single organizing cooperate force in the community moving the people of Savannah towards a healthier life and a better quality of life.

“Healthy Savannah is making an impact in the community by consistently being a space for people to engage around, and in, healthy experiences.”

Tiffoni Buckle-McCartney

Tiffoni Buckle-McCartney is an experienced Environmental Health and Safety professional and Sustainability leader. Tiffoni is married to Daryl McCartney, a family physician, and they have two children. She currently works in the marine industry as a Corporate Sustainability Manager collaborating with businesses and community groups to maximize environmental and health programs. Tiffoni previously worked as the sustainability manager for Georgia Southern University campuses in Statesboro, Hinesville, and Savannah. Prior to her work in Georgia, she worked as a consultant for the United Nations Environmental Programme (UNEP) and the Inter-American Development Bank (IDB). Tiffoni has worked with Sandals Resorts International as their Environmental Health and Safety Regional Manager, coordinating environmental and risk management programs. She has experience working in both the private sector and public sector in the Caribbean, Latin America, United States of America, and the United Kingdom on environmental health and safety. Trained as a Natural Resource Manager and Environmental Engineer; she holds a BSc. in Environmental and Natural Resource Management, an MSc. in Environmental Engineering, and a Master of Business Administration.

“Healthy Savannah is important as it is a resource for residents to find healthy options in the Coastal Empire. It is also a coalition of partners that meet to discuss policy and systematic changes which make a difference in the community.”

Cristina Gibson, MPH

Partner Steering Chair

Cristina has been in public health for 19 years, in the divisions of epidemiology, youth development, and has finally found her passion in health promotion. She is the Chronic Disease Prevention Director for the Coastal Health District, serving all the counties along the coast of Georgia and her branch’s motto is “Make the healthy choice the easy choice.” Her current work involves increasing community assets in the way of opportunities for physical activity, access points to healthy foods, and smoke-free environments. She is a member of the Healthy Savannah Coalition, which was instrumental in helping the City of Savannah and Chatham County pass local smoke-free ordinances and at our local university, Armstrong State, adopt a 100% smoke-free campus policy.

Keon Green, MBA, HCA

Keon Green is a graduate of Armstrong Atlantic State University, with a B.S. in Biology, a minor in Psychology, and a Masters of Business Administration in Healthcare Administration from South University. Keon is a healthcare professional with more than 13 years of experience in healthcare. He is also a nationally certified pharmacy technician registered with the Georgia Board of Pharmacy.

Keon Green is the Customer Service Representative and Adult Education Instructor at Savannah Technical College. Currently, Keon is a doctoral candidate for the degree Doctor of Public Health (DrPH) at Walden University where his doctoral focus is on sociodemographic factors that predict opioid misuse by types of healthcare insurance. Furthermore, his focus is on research and health policy.

“The impact of Healthy Savannah transcends local and state laws and policies. This organization provides a safe place where citizens can acquire health literacy, access to healthcare, and preventative solutions surrounding health and wellness. Connections facilitated through Healthy Savannah provide a comprehensive community-based approach to population health using an evidence-based approach. Each facet of Healthy Savannah elicits positive social change.”

Sarah Hanson

Sarah Hanson is an experienced health and well-being educator with over 15 years of demonstrated history working in the industry. She recently left the City of Savannah where she served as the Health & Wellness Coordinator for over 11 years to take on a new role as the Bē Health & Well-Being Navigator with St Joseph’s/Candler. She is skilled in disease management, occupational health and health and wellness coaching. Sarah earned her Master’s in Public Health from Armstrong Atlantic State University with a strong emphasis in resiliency and positive psychology; as such, she has many tools to help increase resiliency and positivity toward increased success with lifestyle change. Sarah has received Certifications from WellCoaches School of Coaching as a Certified Health and Wellness Coach (CHWC), National Commission for Health Education Credentialing as a Certified Health Education Specialist (CHES), YogaRenew as a Certified Mindfulness Coach and Emory University Diabetes and Technical Center as a Certified Lifestyle Coach for Diabetes Prevention.

Sarah is passionate about health education and helping others reach their health goals. As a health educator and wellness coach she believes in creating positive motivation through coaching conversation by focusing on participants individual strengths and internal resources to succeed in their goals. She has extensive experience in partnering, coaching and training individuals who are navigating their way with preexisting conditions and multiple challenges to see opportunities where obstacles previously resided.

Sarah “walks her talk” being a wellness coach and lives her life based on her values of faith, family, health, food and travel. She has a passion for running and has completed 14 ultra/marathons, mostly in the mountains, additionally she enjoys obstacle course races, biking and yoga. For relaxation she likes spending time with her family, yoga, reading and just being.

Why is Healthy Savannah important?

“Healthy Savannah is important as it encourages healthy living for all and in turn makes Savannah a healthier place to live, work and play. I’ve been witness to several initiatives brought to fruition through the hard work of Health Savannah and their partners. The best part for me is they are working to make the healthy choice the easy choice for all of us!”

Otis Johnson, PhD

Founding Member

Dr. Johnson is the former mayor of Savannah, GA. While Mayor, in 2007, he planted the seed to start Healthy Savannah. A Savannah native, he graduated from Beach High School in 1960, Armstrong Junior College in 1964 (now Georgia Southern University) as the first African American graduate, and the University of Georgia in 1967. He served from 1959 to 1965 in the U.S. Naval Reserve. In 1969, he earned a master’s degree in social work from Clark Atlanta University, and, in 1980, he received his Ph.D. from the Heller School of Social Policy and Management at Brandeis University.

Before becoming mayor, Johnson worked for the Economic Opportunity Authority, Model Cities Program, and Savannah State University. From 1983 until 1988, he served as the City Council Representative for the second district of Savannah. He then became the Executive Director of the Chatham Savannah Youth Futures Authority He formerly served as chair of the board of trustees of the Mary Reynolds Babcock Foundation. A longtime neighborhood leader on issues of youth development, he led the Annie E. Casey Foundation’s Youth Futures Commission in Savannah. He also was dean of the School of Social Work at Savannah State and is a member of the Aspen Roundtable on Comprehensive Community Change.

MarRonde Lumpkin-Lotson

MarRonde A. Lumpkin-Lotson is the Business Opportunity Manager in the Economic Development Department of the City of Savannah where she oversees the city’s Small and Minority Business programs as well as the
business education programs targeted to entrepreneurs designed to help them start and grow their businesses. She has also played a significant role in the development of the City’s International initiative and is staff liaison
to the Greater Savannah International Alliance. She has been with the City for more than 16 years.

Before joining to the City of Savannah team, MarRonde was City Administrator for the Town of Thunderbolt (Georgia) where she served for six years. In this appointment she earned the distinction of being
Thunderbolt’s first African American City Administrator and was also the first woman administrator.

MarRonde is a native Savannahian, educated in the local school system and a 2x graduate of Savannah State University earning her Bachelor of Business Administration in 1993 and a Master of Public Administration in
2000. MarRonde was recognized as one of our state’s Top 40 Under 40 Business and Governmental Professionals by Georgia Trend magazine. She is a graduate of Leadership Savannah and a graduate of Leadership
Southeast Georgia where she remains an active and engaged alumnus. Presently, MarRonde serves as the Vice Chair of the inaugural Chatham County Historic Preservation Commission and works with United Way of the Coastal Empire Campaign Cabinet.

MarRonde is married to Marcus K. Lotson and they have two daughters, Maria Janese (age 20), a college junior and Morgan Ellese(age 14), a 9th grader.

She is also very active in her church and her community. MarRonde is a Diamond-life member of Delta Sigma Theta Sorority, Inc., a member of The Links, Incorporated, and several other professional, civic, and social
organizations that also serve the community.

Krystal McGee

Krystal McGee is the Chief Operating Officer for the YMCA of Coastal Georgia which has been serving the Coastal Georgia community for over 167 years, and continues to work every day to advance our cause to strengthen community through three areas of focus; youth development, healthy living, and social responsibility. She is an alumnus of Bowdon High School and the State University of West Georgia where she was part of the athletic training staff and a member of the college softball team. She earned a B.S. degree in Recreation and Corporate Fitness. She is passionate about the work of Healthy Savannah because it directly impacts the quality of life for the entire community. Her past work included the development of the US Army’s Pregnancy Fitness Program and the US Army’s Civilian Fitness Program.

Krystal serves on the Unforgettable Dream Board and was a member of Leadership Southeast Georgia Class of 2018 and Leadership August Class of 2016.

Krystal Sharp, BSN, RN

Krystal Sharp, Alabama native by birth and Georgian by choice. has been a Savannah resident for the past fourteen years. She served on active duty in the United States Army for ten years working in logistic operations, human resource management, finance, and business. Krystal earned her bachelor’s in nursing from Armstrong State University and became a licensed registered nurse in 2017. She joined the team of the Chatham County Health Department also in 2017 and has been in the role of Adult Health Supervisor for two years. During her time in public health, she has assisted in activities including multiple hurricane evacuations, COVID-19 pandemic response efforts, multiple vaccination clinics, and various community outreach events. Krystal plans to obtain a Master of Science in Nursing degree from Georgia College and State University.

During her spare time Krystal enjoys leisure time with her two teenagers and extended family, vacationing, as well as experimenting with new recipes.

Tina Tyus-Shaw

Tina Tyus-Shaw is a National Edward R. Murrow and Emmy award-winning journalist and Evening News Anchor at WSAV-TV in Savannah, GA.

She began her television career at WAGA-TV in 1986 as a receptionist/news desk assistant. She took advantage of that time in the newsroom to work and learn from reporters, anchors, and photographers. She also spent time at WOBR Radio on the Outer Banks of North Carolina, WRBL-TV as a news anchor.

April 6, 2022, marked Tina’s 30th Anniversary at WSAV-TV. She has explored breast health issues facing women for more than 20 years. Her work goes beyond health. Tina covered the late Nelson Mandela’s visit to Atlanta and the 1996 Olympic Games. Tina is the proud niece of Olympic Legend Wyomia Tyus, the first person ever to win back-to-back gold medals in the 100 meters in 1964 and 1968. Tina was chosen as a Savannah “Community Hero” Torchbearer for the Olympic Torch Run across Georgia.

Tina was inducted into The National Academy of Arts & Sciences Silver Circle for Lifetime Achievement in Television in 2016. In 2020, Savannah State University honored her with the Robert S. Abbott Memorial Award for Meritorious Service in Mass Communications. Tina has received Associated Press & Edward R. Murrow awards for her work in journalism. The State of Georgia honored her with The Outstanding Georgia Citizen Award in 2020.

Subsequently, by combining her love for television news and her passion for young people she created “Speakademy”, a course which teaches teens how to strengthen their public speaking and communication skills

Tina is a proud HBCU graduate of Tennessee State University. She is also a member of the National Association of Black journalists.

“Health Savannah is important because it offers our community valuable knowledge about healthy lifestyle changes. Not having access to healthy foods and that educational piece, a lot of people face health issues like high blood pressure. Seeing people suffer with these issues inspires me to do something to teach healthy self-care, and being relatable to different communities is key for me.

“Our communities need Healthy Savannah, but it’s all about strategy. One size fits all doesn’t work. While we all may not face the same barriers, we must admit food deserts do exist. We all have to be able to give people access to meal cards to improve their health.”

Charmaine Wells

Charmaine Wells is a graduate of South Carolina State University, with a B.S. in Biology, a minor in Chemistry, and a Masters of Business Administration in Healthcare Administration from South University. Charmaine Wells is a Pandemic Regional Immunization Consultant for the CDC Foundation in collaboration with the Georgia Department of Public Health. Her public health career has spanned over 12 years working on health promotion and health advocacy. Charmaine is very passionate about public health and embodies the mission of promoting health for all people.

Why Is Healthy Savannah Important?

Healthy Savannah is important because we are providing access to healthcare and preventive measures to improve the quality of lives for people in Savannah. Healthy Savannah give people an opportunity to improve by increasing control of their health by promoting health education and resources.

Johnathan Winbush

Mr. Johnathan R. Winbush is a native of Chicago, Illinois, with deep ancestral roots in Georgia and South Carolina. He is a writer and researcher of Low Country History and Culture. Johnathan also studies 19th Century American Thoroughbred Racehorses.

An alumnus of Xavier University of Louisiana, Mr. Winbush has over a decade of governmental & administrative experience. He co-founded The Ella Baker Freedom School; a parent-based, homeschooling initiative in Chicago. He has worked for the Ralph Mark Gilbert Civil Rights Museum in Savannah with noted historian, Mr. W.W. Law. He also served on former Savannah Mayor Otis Johnson’s Citizens’ Task Force on Public Safety and Education. Mr. Winbush currently serves as the Outreach Liaison for Parent University and a Resource Specialist for The Front Porch, a risk-reduction program for families. Johnathan also coordinates special projects on community gardening to promote healthier lifestyles for the residents of Chatham County.

“Healthy Savannah is important because it is an organization on the leading edge of advancing policies and programs for health and wellness initiatives for all the residents of our greater community.

“How is Healthy Savannah making an impact? Over the course of the past decade and a half, Healthy Savannah has made a difference for those who have embraced the responsibility for their own health. My point of view is: We can lead people to water; though, we must assure them that it is clean and safe to drink!”

Tiffany Young

Tiffany Young is a leader in the field of Public Health and a health equity subject matter expert. Her public health career has spanned over 15 years working on issues related to advocacy, chronic disease prevention, and health promotion. A University of Maryland-trained public health social worker, Tiffany is an unapologetic social reformer and compassionate crusader for justice, whose mission is to elevate equity and promote health for all people. Not only is she co-founder and CEO of Epic Health Solutions, a small consulting firm focused on engaging, educating, and empowering this generation to incite the kind of social change that lifts equity and upholds social justice in all ways, but she consults with national organizations such as the National Association of Chronic Disease Directors, the National Parks and Recreation Association, and the Urban Land Institute on issues of chronic disease and health equity.

She’s known for her thought-provoking insights into the social issues that adversely impact the health of racial and ethnic minorities throughout the United States and beyond. She has a profound ability to captivate and connect audiences in efforts to bridge the racial and wealth gaps that have both defined and divided our nation.

Tiffany received a Bachelor of Arts degree in Human Services from Geneva College in 2003 and Masters Degrees in Social Work and Public Health from the University of Maryland Baltimore in 2008. She is also a Certified Health Education Specialist, a Fitness Instructor, a Body Builder, and a Certified Health Coach. Tiffany is originally from Harrisburg, PA but currently resides in Savannah, Georgia with her ten-year-old Maltipoo named Riesling.

“Healthy Savannah is important because the work we are doing together with and in the community is saving lives and giving the people who need it most, the access and opportunities they need to live their fullest and healthiest lives.

“How is Healthy Savannah making an impact? Healthy Savannah is making an impact by illuminating the inequities that exist in our community and working to uproot the systems that perpetuate those inequities through policy, systems, and environmental changes. We are truly working to make the healthy choice the easy choice for every person in Savannah.”