Sumter County Health Department, Public Health Prevent, Promote, Protect


Sumter County Health Department Director
Sanford Zelnick, D.O., M.S.
Dr. Sanford Zelnick attended undergraduate school at Tulane University and completed medical school at the College of Osteopathic Medicine and Surgery in Des Moines, Iowa. He completed a Family Practice Residency at the University of Wisconsin and also completed an Occupational Medicine Fellowship at the University of Cincinnati. He is board certified in Family Medicine, Occupational Medicine and General Preventive Medicine and Public Health.

Prior to his arrival at the Department of Health in Sumter County in April 2011, Dr. Zelnick completed a 24-year career in the United States Air Force Medical Service and retired with the rank of colonel in 2007. While in the Air Force, Dr. Zelnick served in various assignments dealing with the occupational health of active duty and civilian employees. From 1995-1999, Dr. Zelnick served as consultant to the Air Force Surgeon General for Occupational Medicine in Washington D.C. From 2001-2004, he worked at the Department of Defense Manned Space Flight Support Office (DDMS), and was responsible for medical contingency training, planning, and response in the event of space shuttle mishaps world-wide. For his published review on treatment of potential rocket fuel exposure during this time as well as other contributions to flight safety, he was awarded the Silver Snoopy Award, a distinguished award given by the NASA astronaut corps.

From February 2007 through March 2011, Dr. Zelnick served as a senior physician in the Volusia County Health Department in Daytona Beach.

Dr. Zelnick authored several articles on occupational health. His original research concerning field of vision studies of industrial respirators was recognized as the best paper published in the American Industrial Hygiene Association Journal for 1994 by the Michigan Industrial Hygiene Association. This work is also referenced in an official position statement concerning visual safety by the American College of Occupational and Environmental Medicine.

His current areas of special interest concerning public health are the reduction of health disparities within Sumter County, the pursuit of health department accreditation by the Public Health Accreditation Board, and the development of academic-public health partnerships with local universities and academic centers.

Sumter County Health Department Assistant Director
Keith Hunter, MPH, CPH
Assistant CHD Director
Mr. Hunter attended undergraduate school at the University of Florida and graduate school at the University of South Florida obtaining a Master of Public Health Degree in 1994. Mr. Hunter has over 20 years public sector experience beginning his public health career at Lake County Health Department as Environmental Health Specialist. Mr. Hunter came to Sumter County Health Department in 1999 as Environmental Manager and remained in that role until 2008 when he was promoted to his current position, Assistant Director. Mr. Hunter's responsibilities include overall management and supervision of Finance & Accounting, Health Education, Environmental Health, Epidemiology, Information Technology and Preparedness, as well as leading national accreditation efforts and major prevention initiatives. Mr. Hunter obtained public health certification (CPH) in February 2012 from the National Board of Public Health Examiners.

Sumter County Health Department Director of Nursing
Leah Caldi, RN
Director of Nursing
Ms. Caldi attended school at Pasco-Hernando Community College obtaining an Associates of Arts Degree. In 2000 a Nursing Degree was obtained from Central Florida College in Ocala. Ms. Caldi started her nursing career as a Registered Nurse working on the surgical floor at Citrus Memorial Hospital.

After obtaining a years hospital experience, Ms. Caldi joined the State of Florida Department of Public Health in January 2001 at Sumter County Health Department as a clinical RN. In 2006, Ms. Caldi was promoted to Nursing Director the position she currently holds.

Ms. Caldi currently serves as a member on the Lake-Sumter Community College Advisory Committee and is a general member of Central Healthy Start Coalition.

Sumter County Health Department Environmental Health Manager
Rolland Shrewsbury, RS
Environmental Health Manager
Mr. Shrewsbury graduated from Lake Weir High School in Marion County Florida in 1974. He attended Anderson University and received a BA in Environmental Science in 1979. He was employed by the Marion County Health Department in February 1980 working in onsite sewage, water, food protection, and occupational health until the fall of 1984. In 1984 he became employed at the Sumter County Health Department working in onsite sewage, water/public pools, food service, rabies, indoor air, and SUPER Act programs. Mr. Shrewsbury maintained the pollutant storage tanks program through contract with the Department of Environmental Protection (DEP) from 1991 through 2001. He is a Registered Sanitarian, Certified Environmental Health Professional in Food Hygiene and Onsite Sewage and is a certified EPA Certified Lead Risk Assessor. In his free time he enjoys outdoor recreational activities including, diving, hunting, fishing, spear fishing and boating.

Sumter County Health Department Admin Assistant III
Sharon Reid
Administrative Assistant III
Ms. Reid started at Sumter County Health Department in 1978. She has served as Chief Deputy Registrar since 1996. Her responsibilities include overall management of Vital Statistics, Human Resources, Records Management and Clerical Support.

Sumter County Health Department Environmental Epidemiologist
Daniel Chacreton, MPH, CPH
Environmental Epidemiologist
Mr. Chacreton obtained his B.A. in Psychology from Florida International University in 2009, where he was also a member of the football team. He went on to obtain his Master of Public Health Degree in 2013 from the University of South Florida. Mr. Chacreton was also certified in public health by the National Board of Public Health Examiners obtaining his CPH certificate in 2013. In 2013, Mr. Chacreton began his work, with the Florida Department of Health in Broward County where he served as the county Congenital Syphilis Coordinator. Prior to joining the Department Mr. Chacreton worked with Feedback Madagascar, in Fianarantsoa Madagascar, as a Program Evaluation intern. In 2014, Mr. Chacreton joined the Florida Department of Health in Sumter County. As an Environmental Epidemiologist, Mr. Chacreton is responsible for investigating the distribution and determinants of disease prevalence in Sumter county to determine and describe means for detection, prevention, intervention and control of health problems.

Sumter County Health Department Health Educator
Georgia Brieck, MPH, CHES
Health Educator Consultant
Ms. Brieck obtained her B.A. in Anthropology from the University of Central Florida in 2010. She went on to obtain her Master of Public Health degree in 2013 from the University of South Florida. During her studies she completed an internship with the James A. Haley Veterans' Hospital in the Veteran/Family Health Education Office. Ms. Brieck worked closely with the VA Orthopedics Department to develop a pre-operative joint replacement education program for knee and hip patients. In 2013, she was also certified as a Health Education Specialist by the National Commission for Health Education Credentialing. As a Health Educator Consultant, Ms. Brieck is primarily responsible for the coordination of the Tobacco Prevention Control Program for Sumter County. In her free time she enjoys reading, riding bikes, and baking.

Sumter County Health Department Public Health Preparedness Planner
Bryan Garey, BS
Public Health Preparedness Planner II
Bryan joined the military at the age of 17 and spent 6 1/2 years in the Coast Guard reserves. During his enlistment Bryan deployed to the Gulf Coast in response to Hurricane Katrina and to Kuwait in support of Operation Iraqi Freedom. After his enlistment ended, Bryan worked as an Emergency Medical Technician for a private ambulance company. Shortly after that, he became a 911/police/fire/ems dispatcher for the City of Akron Ohio and obtained his Bachelors of Science degree in Emergency Management and Homeland Security in December of 2013. Bryan is looking forward to starting a family with his new wife in the Sunny state of Florida.

Sumter County Medical Reserve Corps Coordinator
Hilda Hartman, RN, BS
Medical Reserve Corps Coordinator
Ms. Hartman is a Registered Nurse with a Bachelors in Science in Organizational Management from Houghton College. As Volunteer Coordinator for Erie County Suicide and Crises Prevention it was her responsibility to recruit and retain sufficient volunteer staff for the telephone hot lines. As owner/operator for a licensed home health care agency in New York she contracted with the counties department of Health and Social Services. Her responsibilities included writing training programs for Personal Care Aides and Home Health Aides, approved by the counties Department of Health. She also wrote the clinical manuals for both the professional and paraprofessional staff, the Employee manual, and the policies and procedures to comply with state and county regulations. In this capacity she formed a unit of Home Health Care Nursing Supervisors which was instrumental in enacting law and formulating regulations within Erie County governing licensed home health care agencies. Ms. Hartman moved to The Villages in 2008 and applied to volunteer with the Sumter County Medical Reserve Corps in 2011. In 2012, Ms. Hartman became the Sumter County MRC Volunteer Coordinator, responsible for recruitment, retention and compliance. In July 2012 she accepted the position of Program Director for the the Sumter County MRC. This responsibility entails recruiting and training the volunteers to staff shelters needed during disasters, and to promote disaster preparedness throughout Sumter County.

Page last updated: 4/3/2014