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Dr. Alexander Tun received his Bachelor of Arts from Amherst College with a music major. He went on to earn his VMD from the University of Pennsylvania School of Veterinary Medicine in 2013. Dr. Tun then completed his small animal rotating internship at Angell Animal Medical Center in Boston, MA, followed by a neurology specialty internship at the Animal Specialty Center in Yonkers, NY. He finished his residency in veterinary neurology and neurosurgery back at the University of Pennsylvania School of Veterinary Medicine. He practiced neurology at VCA SFVS from 2018-2020 before joining the PESCM team. His clinical interests include inflammatory and degenerative brain diseases. He has two cats, an orange tabby named Thomas and a Maine Coon mix named Jezebel.

Published Articles

  • Pasteurella Multocida meningoencephalomyelitis in a dog secondary to severe periodontal disease, Clinical Case Reports, 26 April 2018, Read Article
  • Outcome and toxicity assessment of feline small cell lymphoma: 56 cases (2000-2010), Veterinary Medicine and Science, 29 October 2015, Read Article


University of Pennsylvania

Veterinariae Medicinae Doctoris (VMD)

Angell Animal Medical Center

Rotating Internship

VCA Animal Specialty Center

Neurology Specialty Internship

University of Pennsylvania

Neurology Residency


901 Francisco Blvd. East
San Rafael, CA 94901


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