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Carrie Kosarek, DVM, DACVIM, MS

Board Certified Specialist in Medical Oncology

Education & Training

  • Diplomate in the American College of Veterinary Medicine (DACVIM)
  • Residency and Masters of Science Degree at The Ohio State University, College of Veterinary
    Medicine
  • Small Animal Medicine and Surgery Rotating Internship at Florida Veterinary Specialists in
    Tampa, FL
  • Doctorate in Veterinary Medicine from The University of Florida
  • Bachelor of Science at The University of Florida
Learn more about Dr. Carrie Kosarek

Dr. Kosarek was born in Illinois but grew up in St. Petersburg, Florida and she attended The University of Florida for both her undergraduate and veterinary degrees. She graduated with her Doctorate of Veterinary Medicine and continued her training at Florida Veterinary Specialists in Tampa, Florida as a rotating small animal medicine and surgery intern. She then completed her residency and Masters of Science degree and she became a Diplomate in the American College of Veterinary Medicine (DACVIM). Later, Dr. Kosarek moved back to Florida, where she held the position of associate oncologist and intern director at Animal Cancer Care Clinic until 2016.

When not treating her 4-legged patients with cancer, Dr. Kosarek enjoys spending time with her husband, Dr. William Ratterree, and their son. She also has 2 cats, Luke and Leia, and their puppy, Finn! She likes to stay healthy with pilates and cycling, but one of her favorite things to do with her son is birdwatching!

William Ratterree, DVM, DACVIM, DACVR

William Ratterree, DVM, DACVIM, DACVR

Board Certified Specialist in Medical and Radiation Oncology

Education & Training

  • ACVR Board-Certified Radiologist (ACVR Diplomate)
  • Diplomate in the American College of Veterinary Medicine (DACVIM)
  • Medical Oncology Residency at Louisiana State University, School of Veterinary Medicine
  • Small Animal Surgery and Medicine Internship at Louisiana State University, School of Veterinary
    Medicine
  • Doctorate in Veterinary Medicine at the University of Georgia
  • Bachelor of Science, Animal and Veterinary Science degree at Clemson University
Learn more about Dr. William Ratterree

Dr. William Ratterree is originally from South Carolina and pursued an Animal and Veterinary Science degree at Clemson University. He received his doctorate in veterinary medicine at the University of Georgia. He completed a small animal surgery and medicine internship at Louisiana State University, School of Veterinary Medicine. Dr. Ratterree also stayed on at the Louisiana State University, School of Veterinary Medicine to complete a medical oncology residency.

In his free time, he enjoys cheering on the Clemson Tigers in Memorial Stadium, flying planes, and eating hotdogs. Dr. Ratterree also enjoys spending time with his wife, Dr. Kosarek, and their son.