Dr. Joseph Tumang, veterinarian and owner of Alisal Pet Clinic graduated from the University of the Philippines with a degree in Veterinary Medicine. He completed his requirements for the Educational Commission for Foreign Veterinary Graduates in 1993.

Dr. Tumang has worked at the Humane Society of Sta. Clara Valley and San Francisco SPCA doing shelter medicine and has also worked in other private hospitals around the Bay Area. He is a member of the American Veterinary Medical Association (AVMA), the California Veterinary Medical Association (CVMA) and the Alameda County Veterinary Medical Association (ACVMA).