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Gerald Post, DVM, MEM

Diplomate ACVIM (Oncology)

Practice Owner


Dr. Gerald Post is one of only approximately two hundred board-certified veterinary oncologists in the United States. Dr. Post graduated with distinction from Cornell University in 1983 and received his DVM degree from the University of Minnesota in 1988. In 1991, he completed a residency in Oncology at the Animal Medical Center in New York and in 1992 became a Diplomate of the American College of Veterinary Internal Medicine.

Dr. Post has authored many papers and book chapters on the topics of oncology and hematology, and was recently recognized by New York magazine as one of the best veterinarians in the tri-state area. Recently Dr. Post and colleagues authored two seminal papers significantly advancing the treatment of both B-cell lymphoma and T-cell lymphoma in dogs. Dr. Post has devoted his life to animals and always had a strong interest in small animal oncology. He champions the field of comparative oncology every chance he gets. He truly believes that the knowledge gained through comparative oncology can be used to cure many cancers not only in animals but humans as well.

He has also started a new company called Innogenics which is a specialty genomics reference laboratory that helps veterinarians and owners of dogs with cancer by providing state-of-the-art molecular diagnostic analysis of tumor tissue at costs affordable to the pet owner.  They are the first company to offer personalized biomarker and genomic information with treatment options to veterinarians and owners of dogs with cancer.





C. Guillermo Couto, DVM

Diplomate ACVIM (Oncology & Internal Medicine)



Dr. Couto, former professor of Internal Medicine and Oncology at The Ohio State University, is an internationally recognized expert in the fields of veterinary oncology, hematology, and Greyhound medicine. Guillermo received his DVM from Buenos Aires University in Argentina then completed an veterinary oncology residency at the University of California at Davis.

Guillermo is a double board certified specialist in Veterinary Internal Medicine and Oncology but is probably best recognized for his accomplished 30 year teaching career at Ohio State and his reputation as a pioneer and expert in Greyhound and Sighthound Medicine.

Dr. Couto was the director of the Greyhound Health and Wellness Center, the Transfusion Medicine Service and Blood Bank at Ohio State before his retirement. He now joins Metzger Animal Hospital, a ten doctor AAHA certified general,referral and emergency practice, as our third board certified specialist.